MTG

Flying {X}, {T}: Crimson Hellkite deals X damage to target creature. Spend only red mana on X.

Destroy all Islands.

Creatures can't block.

Whenever a creature enters the battlefield, Aether Flash deals 2 damage to it.

Whenever an opponent casts a white spell, that player loses 1 life and you gain 1 life.

Enchant creature Enchanted creature gets +2/+1.

Whenever a creature enters the battlefield, its controller sacrifices a creature or land.

{T}, Sacrifice a creature: Destroy target nonblack creature.

{B}{B}, Pay 2 life, Sacrifice a Swamp: Return target creature card from your graveyard to the battlefield.

Target player loses 4 life and you gain 4 life.

Return target creature card from your graveyard to your hand.

Choose a color. Target player reveals their hand and discards all cards of that color.

Whenever a player casts a spell, that player discards a card.

Black creatures get +2/+0 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of S...

All creatures get -1/-1 until end of turn.

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

Enchant creature Enchanted creature has swampwalk. (It can't be blocked as long as defending player controls a Swamp.)

Flying When Foul Imp enters the battlefield, you lose 2 life.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) Enchanted creature has fear. (It...

As Engineered Plague enters the battlefield, choose a creature type. All creatures of the chosen type get -1/-1.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Destroy target artifact or enchantment.