Cats

Double strike

Eternalize {3}{W}{W} ({3}{W}{W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Cat with no mana cost. Eternalize only as a sorcery.)

Whenever you gain life, put a +1/+1 counter on this creature.

[+1]: Put a +1/+1 counter on each of up to two target creatures.

[−2]: Return target creature card with mana value 2 or less from your graveyard to the battlefield.

[−7]: You get an emblem with "At the beginning of your end step, create three 1/1 white Cat creature tokens with lifelink."

[+1]: Put a +1/+1 counter on up to one target creature.

[−3]: Target creature gains flying and double strike until end of turn.

[−8]: Create X 2/2 white Cat creature tokens, where X is your life total.

[+1]: Distribute three +1/+1 counters among one, two, or three target creatures you control.

[+1]: Look at the top four cards of your library. You may reveal an Aura, creature, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

[−8]: You gain 100 life.

[+1]: You gain life equal to the number of creatures you control plus the number of planeswalkers you control.

[−2]: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on this token."

[0]: If you have at least 15 life more than your starting life total, exile Ajani and each artifact and creature your opponents control.

Flash

If an opponent would draw two or more cards, instead you and that player each draw a card.

Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of creatures you control.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Until end of turn, target creature gains trample and gets +X/+X, where X is the number of creatures you control.

Eminence — At the beginning of combat on your turn, if Arahbo is in the command zone or on the battlefield, another target Cat you control gets +3/+3 until end of turn.

Whenever another Cat you control attacks, you may pay {1}{G}{W}. If you do, it gains trample and gets +X/+X until end of turn, where X is its power.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Creatures you control have hexproof.

{1}{G}: Regenerate target creature. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Whenever a creature you control attacks, you may put a quest counter on this enchantment.

As long as this enchantment has seven or more quest counters on it, creatures you control get +5/+5.

This land enters tapped unless you have two or more opponents.

{T}: Add {G} or {W}.

Vigilance

Whenever Brimaz attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking.

Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

Revolt — At the beginning of your end step, if a permanent left the battlefield under your control this turn, put a unity counter on this enchantment.

Creatures you control get +1/+1 for each unity counter on this enchantment.

({T}: Add {G} or {W}.)

This land enters tapped unless you control two or more basic lands.

As this land enters, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Creatures you control get +3/+3.

As this artifact enters, choose a creature type.

Whenever you cast a spell of the chosen type, put a charge counter on this artifact.

Creatures you control of the chosen type get +1/+1 for each charge counter on this artifact.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Creatures you control get +1/+1 and have flying and indestructible.

At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice this artifact.

Vigilance

Other creatures you control get +2/+2.

Creatures your opponents control get -2/-2.

Sacrifice this creature: Destroy target enchantment.

When this creature enters, you may exile another target permanent you control, then return that card to the battlefield under its owner's control.

Vigilance (Attacking doesn't cause this creature to tap.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

At the beginning of your upkeep, if you have 40 or more life, you win the game.

When this creature dies, draw a card.

Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.

This artifact enters tapped.

{T}: Add two mana of different colors.

{3}{G}{W}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.)

As long as this creature is monstrous, it has hexproof and indestructible.

Flash

When this creature enters, return a green or white creature you control to its owner's hand.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

({T}: Add {G}.)

As this land enters, you may reveal a Forest or Plains card from your hand. If you don't, this land enters tapped.

{T}: Add {G} or {W}.

When this creature enters, draw a card.

Vigilance (Attacking doesn't cause this creature to tap.)

Whenever another creature you control enters, you gain 2 life.

Cats you control have protection from Rats. (They can't be blocked, targeted, or dealt damage by Rats.)

At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch.

Whenever a Rat dies, put a +1/+1 counter on each Cat you control.

Whenever this creature deals damage to an opponent, you may search your library for a Forest card, reveal that card, put it into your hand, then shuffle.

{W}, {T}: Target creature can't block this turn.

Whenever Jareth blocks, it gets +7/+7 until end of turn.

{W}: Jareth gains protection from the color of your choice until end of turn.

First strike (This creature deals combat damage before creatures without first strike.)

{3}{W}{W}: Attacking creatures you control get +X/+X until end of turn, where X is the number of attacking creatures.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Whenever Jedit Ojanen attacks or blocks, create a 2/2 green Cat Warrior creature token with forestwalk.

Other Cats you control get +2/+1.

Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

This creature can't be blocked by more than one creature.

Players can't search libraries. Any player may pay {2} for that player to ignore this effect until end of turn.

When this creature enters, creatures you control get +1/+1 until end of turn.

{T}: Target creature gets +1/+1 until end of turn.

Whenever you cast a spell, you may untap this creature.

Whenever an artifact enters, you may gain 1 life.

Whenever this creature attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking.

This creature gets +1/+2 as long as you control a Forest.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

Creatures you control get +1/+1.

Whenever you tap a land for mana, add one mana of any type that land produced.

First strike, forestwalk, vigilance (This creature deals combat damage before creatures without first strike, it can't be blocked as long as defending player controls a Forest, and attacking doesn't cause this creature to tap.)

First strike

Whenever Mirri attacks, each opponent can't block with more than one creature this combat.

As long as Mirri is tapped, no more than one creature can attack you each combat.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

This land enters tapped.

{T}: Add {G}.

{G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

This creature must be blocked by exactly one creature if able.

Whenever this creature attacks, create X tokens that are copies of it and that are tapped and attacking, where X is the number of creatures defending player controls. Exile the tokens at the beginning of the next end step.

{1}: This creature gains first strike until end of turn.

Bestow {5}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Trample

Enchanted creature gets +3/+3 and has trample.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

This land enters tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Trample

This creature enters with seven +1/+1 counters on it.

Whenever this creature deals damage, you gain that much life.

If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature.

({T}: Add {W}.)

During your turn, this creature has first strike.

You may have this creature assign its combat damage as though it weren't blocked.

This creature gets +1/+1 for each other Cat you control.

{W}, {T}, Exert this creature: Create two 1/1 white Cat creature tokens with lifelink. (An exerted creature won't untap during your next untap step.)

This spell can't be countered.

Creature spells you control can't be countered.

Reach

If a creature is attacking you and you control a Forest and a Plains, you may cast this creature without paying its mana cost and as though it had flash.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

{1}, Sacrifice this creature: Destroy target artifact or enchantment.

Reach

Whenever this creature or another Cat you control enters, you may destroy target artifact or enchantment.

Other Cats you control get +1/+1 and have lifelink. (Damage dealt by those creatures also causes you to gain that much life.)

When this creature enters, create two 1/1 white Cat creature tokens with lifelink.

({T}: Add {G} or {W}.)

This land enters tapped.

Cycling {2} ({2}, Discard this card: Draw a card.)

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

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

Flying

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

When this creature enters, secretly choose an opponent.

Reveal the player you chose: Exile target creature that's attacking you if it's controlled by the chosen player. Activate only once.

This land enters tapped unless you control a Forest or a Plains.

{T}: Add {G} or {W}.

({T}: Add {G} or {W}.)

As this land enters, you may pay 2 life. If you don't, it enters tapped.

As this land enters, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

As this artifact enters, choose a creature type.

Creatures you control of the chosen type get +1/+1.

Whenever you cast a creature spell of the chosen type, draw a card.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Each player creates a 1/1 green Cat creature token for each untapped Forest they control.

Create X 2/2 white Cat creature tokens. Shuffle White Sun's Zenith into its owner's library.

At the beginning of your upkeep, sacrifice this creature unless you pay {G}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.