Modern Horizons 3

Haste Whenever Laelia, the Blade Reforged attacks, exile the top card of your library. You may play that card this turn. Whenever one or more cards...

Haste Whenever Laelia, the Blade Reforged attacks, exile the top card of your library. You may play that card this turn. Whenever one or more cards...

{T}: Add {R}. As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except i...

{T}: Add {R}. As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except i...

Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. Creatures wit...

Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. Creatures wit...

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell during your turn, flip a coin. If you lose...

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell during your turn, flip a coin. If you lose...

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Pinnacle Monk enters the battlefield, return targ...

Whenever you cast a noncreature spell, put a +1/+1 counter on this creature. (This token's mana cost is {2}{R}.)

Whenever you cast a noncreature spell, put a +1/+1 counter on this creature. (This token's mana cost is {2}{R}.)

When Phlage enters the battlefield, sacrifice it unless it escaped. Whenever Phlage enters the battlefield or attacks, it deals 3 damage to any tar...

When Phlage enters the battlefield, sacrifice it unless it escaped. Whenever Phlage enters the battlefield or attacks, it deals 3 damage to any tar...

Choose target spell, then flip a coin. If you win the flip, gain control of that spell and you may choose new targets for it. If you lose the flip,...

Choose target spell, then flip a coin. If you win the flip, gain control of that spell and you may choose new targets for it. If you lose the flip,...

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 ...

Bestow—{R}, Collect evidence 6. (To pay this bestow cost, pay {R} and exile cards with total mana value 6 or greater from your graveyard.) Flying, ...

Bestow—{R}, Collect evidence 6. (To pay this bestow cost, pay {R} and exile cards with total mana value 6 or greater from your graveyard.) Flying, ...

You don't lose unspent red mana as steps and phases end. Magecraft — Whenever you cast or copy an instant or sorcery spell, discard a card, then dr...