Rainbow Dragon

This land enters tapped.

{T}: Add {W}, {U}, or {B}.

Flying

Whenever this creature deals combat damage to a player, it deals that much damage to each creature that player controls.

Flying, hexproof

Megamorph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When this creature is turned face up, put a +1/+1 counter on each other Dragon creature you control.

Flying

When Bladewing enters, you may return target Dragon permanent card from your graveyard to the battlefield.

{B}{R}: Dragon creatures get +1/+1 until end of turn.

Flying

Whenever a Dragon you control dies while this card is in your graveyard, you may pay {1}{B}. If you do, return this card from your graveyard to the battlefield.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice this artifact: Draw a card.

Flying

Whenever Crosis deals combat damage to a player, you may pay {2}{B}. If you do, choose a color, then that player reveals their hand and discards all cards of that color.

Dragon creatures you control get +3/+3.

{T}: Add {C}.

{1}, {T}: Put a storage counter on this land.

{T}, Remove X storage counters from this land: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

This land enters tapped.

{T}: Add {U}, {B}, or {R}.

Choose one —

• Destroy all Dragon creatures.

• Destroy all non-Dragon creatures.

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

Indestructible (Effects that say "destroy" don't destroy this artifact.)

{T}: Add one mana of any color.

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.

Whenever a creature you control with flying enters, it gains haste until end of turn.

Whenever a Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control.

This spell can't be countered.

Flying, lifelink

Your opponents can't cast spells during your turn.

Flying

Dragonlord Ojutai has hexproof as long as it's untapped.

Whenever Dragonlord Ojutai deals combat damage to a player, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flying, deathtouch

When Dragonlord Silumgar enters, gain control of target creature or planeswalker for as long as you control Dragonlord Silumgar.

Dragon spells you cast cost {1} less to cast.

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

Dragon spells you cast cost {2} less to cast.

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

{3}, {T}, Sacrifice this artifact: Draw three cards.

Flying

Whenever a Dragon you control attacks, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)

Whenever a creature you control with power 3 or greater enters, draw a card.

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells you cast.

({T}: Add {G}.)

This land enters tapped.

{T}: Add {G}, {U}, or {R}.

As this enchantment enters, choose Khans or Dragons.

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

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

Flying, haste

Whenever this creature attacks, you may pay {5}{R}{R}. If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

As this artifact enters, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Flying, trample

Megamorph {5}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When this creature is turned face up, put a +1/+1 counter on each other Dragon creature you control.

Flying, haste

You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Flying

Whenever Intet deals combat damage to a player, you may pay {2}{U}. If you do, exile the top card of your library face down. You may look at that card for as long as it remains exiled. You may play that card without paying its mana cost for as long as Intet remains on the battlefield.

({T}: Add {U}.)

This land enters tapped.

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

Flying, haste

When Karrthus enters, gain control of all Dragons, then untap all Dragons.

Other Dragon creatures you control have haste.

Flying

When Keiga dies, gain control of target creature.

As this enchantment enters, choose a creature type.

Whenever a creature you control of the chosen type enters or attacks, draw a card.

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

Flying

When Kokusho dies, each opponent loses 5 life. You gain life equal to the life lost this way.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)

Flying

Whenever this creature deals combat damage to an opponent, target player mills four cards.

As this artifact enters, choose a creature type.

{1}: Until end of turn, this artifact becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types.

({T}: Add {R}.)

This land enters tapped.

{T}: Add {U}, {R}, or {W}.

[+2]: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.

[+1]: Each opponent exiles two cards from their hand.

[−4]: Nicol Bolas deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

[−12]: Exile each nonland permanent your opponents control.

[+3]: Each opponent loses 3 life unless that player sacrifices a nonland permanent of their choice or discards a card.

[−3]: Destroy target creature. Draw a card.

[−11]: Nicol Bolas deals 7 damage to each opponent. You draw seven cards.

Flying

Whenever Niv-Mizzet deals damage to a player, you may draw a card.

{U}{R}: Niv-Mizzet deals 1 damage to any target.

This land enters tapped.

{T}: Add {R}, {W}, or {B}.

Flying, trample

Whenever O-Kagachi deals combat damage to a player, if that player attacked you during their last turn, exile target nonland permanent that player controls.

This land enters tapped.

{T}: Add {B}, {G}, or {U}.

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.

Defender, flying

When this creature enters, if you revealed a Dragon card or controlled a Dragon as you cast this spell, draw a card.

As this enchantment enters, choose Khans or Dragons.

• Khans — At the beginning of your upkeep, return target creature card from your graveyard to your hand.

• Dragons — At the beginning of your upkeep, each opponent loses 2 life and you gain 2 life.

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.)

({T}: Add {W}.)

Choose one or more —

• Destroy target artifact.

• Destroy target enchantment.

• Destroy target land.

Flying

Whenever you cast a spell, put a +1/+1 counter on Ramos for each of that spell's colors.

Remove five +1/+1 counters from Ramos: Add {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Activate only once each turn.

Flying

When Ryusei dies, it deals 5 damage to each creature without flying.

This land enters tapped.

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

Flying

{2}: Search your library for a Dragon permanent card and put it into your graveyard. If you do, Scion of the Ur-Dragon becomes a copy of that card until end of turn. Then shuffle.

Flying

Whenever this creature or another Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control.

{R}: This creature gets +1/+0 until end of turn.

This land enters tapped.

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

Flying, hexproof

Whenever a Dragon you control attacks, creatures defending player controls get -1/-1 until end of turn.

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

({T}: Add {B}.)

Instant, sorcery, and Dragon spells you control can't be countered.

Whenever you cast an instant or sorcery spell from your hand, if Taigam attacked this turn, that spell gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Flying

Whenever Teneb deals combat damage to a player, you may pay {2}{B}. If you do, put target creature card from a graveyard onto the battlefield under your control.

Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost {1} less to cast.

Flying

Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield.

Flying

Whenever Treva deals combat damage to a player, you may pay {2}{W}. If you do, choose a color, then you gain 1 life for each permanent of that color.

Flying, haste

Lieutenant — As long as you control your commander, this creature gets +2/+2 and has "Whenever this creature attacks, it deals 7 damage to target creature defending player controls."

[+2]: Ugin deals 3 damage to any target.

[−X]: Exile each permanent with mana value X or less that's one or more colors.

[−10]: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

Flying

Whenever Vorosh deals combat damage to a player, you may pay {2}{G}. If you do, put six +1/+1 counters on Vorosh.

Flying

As long as this creature is attacking, defending player can't cast spells.

Flying

When Yosei dies, target player skips their next untap step. Tap up to five target permanents that player controls.