Haste
Whenever Ambergris, Agent of Destruction attacks, you may discard your hand and draw two cards. If you do, Ambergris deals X damage to each opponent, where X is the number of cards you've discarded this turn.

Whenever Water Weird deals combat damage to a player, put a +1/+1 counter on Water Weird if the top card of your library is a nonland card. Otherwise, you may mill a card.
: Water Weird gets +1/-1 until end of turn.

When this creature specializes, tap target nonland permanent an opponent controls. That permanent doesn't untap during its controller's untap step for as long as you control Lukamina, Crocodile Form.
When Lukamina, Crocodile Form dies, it unspecializes. If it unspecializes this way, return it to the battlefield tapped.

When this creature specializes, remove all study counters from it. When you do, Vhal, Scholar of Elements deals that much damage to target creature or planeswalker an opponent controls.
: Draw a card, then discard a card.

Flying
Whenever you attack with one or more other creatures with flying, you gain twice that much life.

When Rasaad, Sylvan Monk dies, create two 2/2 green Boar creature tokens.

Whenever Kagha attacks, it gains deathtouch until end of turn. Mill two cards. (Put the top two cards of your library into your graveyard.)
Once during each of your turns, you may play a land or cast a permanent spell from among cards in your graveyard that were put there from your library this turn.

Double strike
Specialize
When you cast this spell, it gains "When this creature becomes the target of a spell or ability an opponent controls, you may exile this creature, then return it to the battlefield under its owner's control."

Roll a d20.
1—9 | Draw two cards.
10—19 | Scry 2, then draw two cards.
20 | Scry 3, then draw three cards.

Flying, lifelink
When Lukamina, Hawk Form dies, it unspecializes. If it unspecializes this way, return it to the battlefield tapped.

Whenever a creature enters, if it was cast, exile it, then return all other permanent cards exiled with this artifact to the battlefield under their owners' control.

Deathtouch
Mystic Arcanum — At the beginning of your end step, exile the top card of your library. Until the end of your next turn, you may play that card.
Pact Boon — Whenever you play a card from exile, create a Treasure token.

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

Flying
Whenever Chaos Balor attacks or dies, choose two. Each mode must target a different player.
• Target player discards all the cards in their hand, then seeks that many nonland cards.
• Chaos Balor deals 2 damage to target player and they create two Treasure tokens.
• Chaos Balor deals 2 damage to each creature target player controls. Those creatures perpetually get +2/+0.

Reach
Whenever this creature deals combat damage to a player, create a 2/1 black Spider creature token with reach and menace.

Exile target spell, then roll a d20 and add that spell's mana value.
1—14 | You may cast the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
15+ | You may cast the exiled card without paying its mana cost for as long as it remains exiled.

Trample
Whenever Thrakkus attacks, double the power of each Dragon you control until end of turn.

Trample
Keen Senses — When this creature enters, draw a card.

First strike
At the beginning of combat on your turn, target creature you control gains first strike and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard.

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

Double strike
When this creature enters or specializes, return up to two target creature cards with total mana value 3 or less from your graveyard to the battlefield.

Flying
Other Demons, Devils, Imps, and Tieflings you control get +1/+1 and have lifelink.
At the beginning of each end step, if a creature card was put into your graveyard from anywhere this turn, create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target."

Whenever you cast an instant or sorcery spell, each opponent loses 2 life.

Whenever you cast an instant or sorcery spell, put two +1/+1 counters on target creature.

When this creature specializes, seek a creature card and put it into your graveyard, then conjure two duplicates of it into your graveyard.
At the beginning of combat on your turn, target creature you control gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Specialize
Whenever Skanos, Dragon Vassal attacks, another target attacking creature gets +X/+0 until end of turn, where X is Skanos's power.

Menace
At the beginning of combat on your turn, target creature you control gains menace and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard.

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, counter target artifact or creature spell.

Double strike
When this creature enters or specializes, conjure a duplicate of a random creature card from an opponent's library into your hand. It perpetually gains prismatic.

Double strike
When this creature enters or specializes, other creatures you control and creature cards in your hand perpetually get +1/+1.

Specialize
When Wyll, Pact-Bound Duelist enters, gain control of target artifact or creature an opponent controls with mana value 4 or less until the end of your next turn.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flash
Whenever this creature mutates, you may return target creature an opponent controls to its owner's hand.

Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, create a 1/1 white Soldier creature token.

Whenever you cast an instant or sorcery spell, Gale, Storm Conduit perpetually gains "Creatures you control get +1/+0."

Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, create a Treasure token.