Kruphix

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

Return all attacking creatures to their owner's hand.

For each attacking creature, its owner puts it on the top or bottom of their library.

{T}: Add {C}.

{G}{U}, {T}: You may cast spells this turn as though they had flash.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.

You draw a card at the beginning of the next turn's upkeep.

Astral Cornucopia enters the battlefield with X charge counters on it.

{T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Search your library for up to X basic land cards, where X is the number of lands you control, and put them onto the battlefield tapped. Then shuffle your library.

At the beginning of your precombat main phase, remove all flood counters from Bounty of the Luxa. If no counters were removed this way, put a flood counter on Bounty of the Luxa and draw a card. Otherwise, add {C}{G}{U}.

Destroy target artifact or enchantment. You may put a land card from your hand onto the battlefield.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Return target permanent to its owner's hand.

Flying

Whenever an opponent draws a card, you may draw two cards.

Counter target spell.

Choose two —

• Counter target spell.

• Return target permanent to its owner's hand.

• Tap all creatures your opponents control.

• Draw a card.

Search your library for up to two basic land cards, reveal those cards, and put one onto the battlefield tapped and the other into your hand. Then shuffle your library.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

{3}, {T}: Double the amount of each type of unspent mana you have.

{T}: Add {C}{C}{C}.

{3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Return all creatures to their owners' hands.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

You may play an additional land on each of your turns.

You may play an additional land this turn.

Draw a card.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle your library.

Choose one —

• Each player draws X cards.

• Each player mills X cards.

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game.

Exile Finale of Revelation.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

({T}: Add {G}.)

As Frontier Siege enters the battlefield, choose Khans or Dragons.

• Khans — At the beginning of each of your main phases, add {G}{G}.

• Dragons — Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control.

When Gadwick, the Wizened enters the battlefield, draw X cards.

Whenever you cast a blue spell, tap target nonland permanent an opponent controls.

{T}: Add three mana of any one color.

Kicker {2} (You may pay an additional {2} as you cast this spell.)

Search your library for a basic land card, put it onto the battlefield, then shuffle your library. If this spell was kicked, instead search your library for two basic land cards, put them onto the battlefield, then shuffle your library.

Draw a card. You may put a land card from your hand onto the battlefield.

{T}: Add {C}{C}.

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

When you cast this spell, you gain half X life and draw half X cards. Round down each time.

Flying, trample

Hydroid Krasis enters the battlefield with X +1/+1 counters on it.

Enchant creature, land, or planeswalker

Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

Choose one —

• Counter target spell.

• You may choose new targets for target spell.

• Copy target instant or sorcery spell. You may choose new targets for the copy.

({T}: Add {U}.)

If you would draw a card while your library has no cards in it, you win the game instead.

[+1]: Target player mills two cards. Draw a card.

[−8]: Draw seven cards. Then if your library has no cards in it, you win the game.

Flash

At the beginning of your end step, draw seven cards.

Each opponent's maximum hand size is reduced by seven.

Search your library for up to two basic land cards, reveal those cards, and put one onto the battlefield tapped and the other into your hand. Then shuffle your library.

When you cast this spell, draw four cards.

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)

When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Destroy target artifact or enchantment.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

At the beginning of your upkeep, each player draws a card. If you have the city's blessing, instead only you draw a card.

{T}: Add {C} for each card you've drawn this turn.

Partner (You can have two commanders if both have partner.)

If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield.

You may cast spells as though they had flash.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's converted mana cost.

If you tap a permanent for mana, it produces twice as much of that mana instead.

Gain control of X target creatures and/or planeswalkers.

Draw X cards.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

Choose three. You may choose the same mode more than once.

• Counter target spell unless its controller pays {3}.

• Return target creature to its owner's hand.

• Draw a card.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

Search your library for a Forest card and put that card onto the battlefield. Then shuffle your library.

Counter target noncreature spell.

[+2]: Scry 2.

[0]: Look at the top card of your library. If it's a land card or a creature card with converted mana cost less than or equal to the number of loyalty counters on Nissa, Steward of Elements, you may put that card onto the battlefield.

[−6]: Untap up to two target lands you control. They become 5/5 Elemental creatures with flying and haste until end of turn. They're still lands.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Counter target spell.

At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Counter target spell. At the beginning of your next precombat main phase, add X mana in any combination of colors, where X is that spell's converted mana cost.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Each player draws X cards.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.

Whenever you draw a card, each opponent loses 1 life.

Draw X cards, then discard a card.

Search your library for a basic land card and put that card onto the battlefield tapped. Then shuffle your library.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

You have no maximum hand size.

{T}: Add {C}.

Counter target spell. Untap up to four lands.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library.

Exile target permanent.

Untap all permanents you control during each other player's untap step.

{1}, {T}: Add {G}{U}.

Each player draws X cards.

Forecast — {2}{U}, Reveal Skyscribing from your hand: Each player draws a card. (Activate this ability only during your upkeep and only once each turn.)

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle your library.

{T}: Add {C}{C}.

Enchant permanent

Enchanted permanent is a colorless Forest land.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Counter target spell with converted mana cost X.

Counter target spell. Create X Treasure tokens, where X is that spell's converted mana cost. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Steelbane Hydra enters the battlefield with X +1/+1 counters on it.

{2}{G}, Remove a +1/+1 counter from Steelbane Hydra: Destroy target artifact or enchantment.

Target player draws X cards.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Whenever a land enters the battlefield under your control, you gain 1 life and draw a card.

{T}: Add {C}{C}. Activate this ability only if you control five or more lands.

Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles it.

{3}, {T}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.

At the beginning of your end step, if you control seven or more lands, transform Thaumatic Compass.

You have no maximum hand size.

{T}: Add {C}.

{T}: Add {C}{C}{C}.

When you cast this spell, exile two target permanents.

Indestructible

Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X.

Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.

Draw three cards. You may play an additional land this turn.

You may cast spells as though they had flash.

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

At the beginning of your end step, untap all lands you control.

Worn Powerstone enters the battlefield tapped.

{T}: Add {C}{C}.

Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.)

Whenever you cast a creature spell, draw a card.