Flying

Whenever Ancient Copper Dragon deals combat damage to a player, roll a d20. You create a number of Treasure tokens equal to the result.

Flying

Whenever Ancient Silver Dragon deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.

Magecraft -- Whenever you cast or copy an instant or sorcery spell, draw a card.

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

Scry 2, then draw two cards.

Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Botanical Sanctum enters the battlefield tapped unless you control two or fewer other lands.

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

Draw three cards, then put two cards from your hand on top of your library in any order.

Flash

Flying

Brazen Borrower can block only creatures with flying.

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Return target nonland permanent an opponent controls to its owner's hand.

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

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}.

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

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Cliffgate enters the battlefield tapped.

As Cliffgate enters the battlefield, choose a color other than red.

{T}: Add {R} or one mana of the chosen color.

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

Flying

When Demanding Dragon enters the battlefield, it deals 5 damage to target opponent unless that player sacrifices a creature.

Whenever a creature with flying enters the battlefield under your control, it gains haste until end of turn.

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

Flying

Whenever Drakuseth, Maw of Flames attacks, it deals 4 damage to any target and 3 damage to each of up to two other targets.

Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. If you control a creature with power 4 or greater, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Counter target creature spell.

Draw a card.

Flash

Flying

Whenever an opponent draws their second card each turn, you draw a card.

{3}{U}: Each player draws a card.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Firespout deals 3 damage to each creature without flying if {R} was spent to cast this spell and 3 damage to each creature with flying if {G} was spent to cast this spell. (Do both if {R}{G} was spent.)

Flame Slash deals 4 damage to target creature.

{T}: Add {C}.

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

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Frontier Bivouac enters the battlefield tapped.

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

Flying

When Galazeth Prismari enters the battlefield, create a Treasure token.

Artifacts you control have "{T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell."

Flying, haste

You may exert Glorybringer as it attacks. When you do, it deals 4 damage to target non-Dragon creature an opponent controls. (An exerted creature won't untap during your next untap step.)

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

As an additional cost to cast this spell, sacrifice a land.

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

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island.

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

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.)

Return target creature to its owner's hand. If this spell was kicked, it deals 2 damage to another target creature.

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

Scry 2, then draw a card. If this spell was kicked, you may put a land card from your hand onto the battlefield.

Counter target spell unless its controller pays {1}.

Jwari Ruins enters the battlefield tapped.

{T}: Add {U}.

Lightning Bolt deals 3 damage to any target.

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

Equip {0}

Flying

Whenever you cast an Adventure or Dragon spell, Lozhan, Dragons' Legacy deals damage equal to that spell's mana value to any target that isn't a commander.

Flying, ward {2}

Whenever another nontoken Dragon enters the battlefield under your control, create a token that's a copy of it, except the token isn't legendary.

({T}: Add {U} or {R}.)

Molten Tributary enters the battlefield tapped.

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

Mosswort Bridge enters the battlefield 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.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Flash

When Mystic Snake enters the battlefield, counter target spell.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Flying

Whenever a creature you control deals combat damage to a player, create that many Treasure tokens.

Flash

When Omen of the Hunt enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{2}{G}, Sacrifice Omen of the Hunt: Scry 2.

Path of Ancestry enters the battlefield 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.)

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

{T}: Add {C}.

{1}, {T}, Sacrifice Promising Vein: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Choose two --

• Return target creature or planeswalker to its owner's hand.

• Counter target artifact or enchantment spell.

• Put two +1/+1 counters on target creature.

• Target player shuffles up to three target cards from their graveyard into their library.

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

Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand.

Flying

Fire Breath -- When Red Dragon enters the battlefield, it deals 4 damage to each opponent.

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

Creature spells you control can't be countered.

Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)

Ward {2}

As Roaming Throne enters the battlefield, choose a creature type.

Roaming Throne is the chosen type in addition to its other types.

If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

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

Rugged Highlands enters the battlefield tapped.

When Rugged Highlands enters the battlefield, you gain 1 life.

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

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

Flying

Whenever Sapphire Dragon attacks or blocks, scry 2.

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Counter target noncreature spell. (Then exile this card. You may cast the creature later from exile.)

Search your library for a Dragon creature card, reveal it, put it into your hand, then shuffle.

Whenever you cast a creature spell with power 4, 5, or 6, Sarkhan's Unsealing deals 4 damage to any target.

Whenever you cast a creature spell with power 7 or greater, Sarkhan's Unsealing deals 4 damage to each opponent and each creature and planeswalker they control.

Flying

Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.

{R}: Scourge of Valkas gets +1/+0 until end of turn.

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

{T}: Add {C}.

{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

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

Flash

This spell can't be countered.

Creature spells you control can't be countered.

Other creatures you control have trample.

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

Sword Coast Serpent can't be blocked as long as you've cast a noncreature spell this turn.

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Return target creature to its owner's hand. (Then exile this card. You may cast the creature later from exile.)

Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Flash

Creature cards you own that aren't on the battlefield have flash.

Each opponent can cast spells only any time they could cast a sorcery.

Temple of Epiphany enters the battlefield tapped.

When Temple of Epiphany enters the battlefield, scry 1.

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

Temple of Mystery enters the battlefield tapped.

When Temple of Mystery enters the battlefield, scry 1.

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

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

Creatures you control have haste.

Whenever a creature with power 4 or greater enters the battlefield under your control, you may draw a card.

Flash

Flying

Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered.

Flying

Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, Thunderbreak Regent deals 3 damage to that player.

Flying

Whenever Trygon Predator deals combat damage to a player, you may destroy target artifact or enchantment that player controls.

Flash

When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.

({T}: Add {U} or {R}.)

Flash

When Voracious Greatshark enters the battlefield, counter target artifact or creature spell.

Whenever you cast your first spell during each opponent's turn, draw a card.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

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

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

Wooded Ridgeline enters the battlefield tapped.

Flying

Whenever a Dragon you control is dealt damage, it deals that much damage to any target that isn't a Dragon.