MTG

{B}, Sacrifice a creature: Target creature gets -1/-1 until end of turn.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls with a -1/-1 counter on it dies, yo...

Double strike

Wither (This deals damage to creatures in the form of -1/-1 counters.) At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

({U/B} can be paid with either {U} or {B}.) {3}{U}: Target player draws a card. Activate this ability only any time you could cast a sorcery. {3}{B...

Put a -1/-1 counter on target creature. Draw a card.

Ashenmoor Gouger can't block.

Changeling (This card is every creature type.) {1}{B}: Ghostly Changeling gets +1/+1 until end of turn.

Destroy target creature or land.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.) Flying

When Dread Drone enters the battlefield, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."

Return target card from your graveyard to your hand. If you return a nonland card to your hand this way, Vengeful Rebirth deals damage equal to tha...

As an additional cost to cast this spell, you may sacrifice any number of Spirits. Target player loses 2 life plus 2 life for each Spirit sacrifice...

Until end of turn, target creature you control gets +3/+3 and other creatures you control get +1/+1.

Destroy target green or white creature.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Shadowmage Infiltrator deals combat damage to a...

Savage Twister deals X damage to each creature.

Graft 3 (This creature enters the battlefield with three +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/...

Enchant creature Enchanted creature can't attack or block. Enchanted creature has "At the beginning of your upkeep, you lose 1 life."

{2}: Exile target creature card from a graveyard. Create a 1/1 green Saproling creature token.

Flying Whenever you cast a Spirit or Arcane spell, you may exile Hikari, Twilight Guardian. If you do, return it to the battlefield under its owner...

Whenever you draw a card, you may put a +1/+1 counter on Lorescale Coatl.

Vigilance, trample, haste {W}{U}{B}{R}{G}: You may play target Elemental card from your graveyard without paying its mana cost.

Whenever another artifact enters the battlefield under your control, Glassdust Hulk gets +1/+1 until end of turn and can't be blocked this turn. Cy...