Modern Horizons 3

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, you may cast that card without paying its mana cost if ...

Noncreature spells you cast from exile have convoke. (Each creature you tap while casting a noncreature spell from exile pays for {1} or one mana o...

Noncreature spells you cast from exile have convoke. (Each creature you tap while casting a noncreature spell from exile pays for {1} or one mana o...

You may sacrifice a nontoken red creature rather than pay this spell's mana cost. Copy target instant or sorcery spell. You may choose new targets ...

You may sacrifice a nontoken red creature rather than pay this spell's mana cost. Copy target instant or sorcery spell. You may choose new targets ...

Pay 1 life, Sacrifice another creature: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Pay 1 life, Sacrifice another creature: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

You may sacrifice a nontoken black creature rather than pay this spell's mana cost. Each opponent sacrifices a creature or planeswalker with the gr...

When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Night...

When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Night...

Flying, hexproof from activated and triggered abilities When Volatile Stormdrake enters the battlefield, exchange control of Volatile Stormdrake an...

Flying, hexproof from activated and triggered abilities When Volatile Stormdrake enters the battlefield, exchange control of Volatile Stormdrake an...

Counter target artifact, creature, or planeswalker spell. Its controller creates a 2/2 blue Bird creature token with flying.

Counter target artifact, creature, or planeswalker spell. Its controller creates a 2/2 blue Bird creature token with flying.

You may sacrifice a nontoken blue creature rather than pay this spell's mana cost. Counter target spell.

You may sacrifice a nontoken blue creature rather than pay this spell's mana cost. Counter target spell.

You get X {E} (energy counters), then you may pay any amount of {E}. Destroy each artifact, creature, and enchantment with mana value less than or ...

Flying, first strike When White Orchid Phantom enters the battlefield, destroy up to one target nonbasic land. Its controller may search their libr...

Kicker {W} (You may pay an additional {W} as you cast this spell.) Target player can't cast spells this turn. If this spell was kicked, creatures c...

You may sacrifice a nontoken white creature rather than pay this spell's mana cost. Until end of turn, your life total can't change, and permanents...

If a triggered ability of a colorless spell you control or another colorless permanent you control triggers, that ability triggers an additional ti...

If a triggered ability of a colorless spell you control or another colorless permanent you control triggers, that ability triggers an additional ti...

As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast.

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