Modern Horizons 3

You may exert Hydra Trainer as it attacks. When you do, target creature gets +X/+X until end of turn, where X is the number of counters on permanen...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I, II, III — Create a 1/1 black and green Insect creature t...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I, II, III — Create a 1/1 black and green Insect creature t...

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on each creature that had a +1/+1 counter put on it th...

When Unstable Amulet enters the battlefield, you get {E}{E} (two energy counters). Whenever you cast a spell from anywhere other than your hand, Un...

When Unstable Amulet enters the battlefield, you get {E}{E} (two energy counters). Whenever you cast a spell from anywhere other than your hand, Un...

Devoid (This card has no color.) When you cast this spell, create three 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this creature: ...

Devoid (This card has no color.) When you cast this spell, create three 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this creature: ...

Emerge {5}{C}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cas...

Emerge {5}{C}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cas...

Devoid (This card has no color.) Menace Whenever you sacrifice a nontoken permanent, create a 0/1 colorless Eldrazi Spawn creature token with "Sacr...

Replicate—Pay {E}{E}{E}. (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) ...

Replicate—Pay {E}{E}{E}. (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) ...

Haste Landfall — Whenever a land enters the battlefield under your control, Reckless Pyrosurfer gains battle cry until end of turn. (Whenever this ...

Haste Landfall — Whenever a land enters the battlefield under your control, Reckless Pyrosurfer gains battle cry until end of turn. (Whenever this ...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Ral and the Implicit Maze deals 2 damage to each creat...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Ral and the Implicit Maze deals 2 damage to each creat...

Whenever you attack, you get {E} (an energy counter). {T}, Pay {E}{E}{E}: Create a 3/3 colorless Phyrexian Golem artifact creature token. Activate ...

Whenever you attack, you get {E} (an energy counter). {T}, Pay {E}{E}{E}: Create a 3/3 colorless Phyrexian Golem artifact creature token. Activate ...

Sacrifice Mogg Mob: It deals 3 damage divided as you choose among one, two, or three targets.

Sacrifice Mogg Mob: It deals 3 damage divided as you choose among one, two, or three targets.

Devoid (This card has no color.) This spell costs {2} less to cast if an opponent controls a multicolored permanent. Ghostfire Slice deals 4 damage...

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying {R}: Furnace Hellkite gets +1/+0 until end of turn.

Prototype {3}{R} — 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Affinity for artifact...