MTG

Flying When Vampiric Spirit enters the battlefield, you lose 4 life.

Draw four cards, then discard three cards at random.

Flying Goblin Glider can't block.

Whenever Goblin General attacks, Goblin creatures you control get +1/+1 until end of turn.

Sacrifice Goblin Firestarter: It deals 1 damage to any target. Activate this ability only during your turn, before attackers are declared.

Earthquake deals X damage to each creature without flying and each player.

If Cunning Giant is unblocked, you may have it assign its combat damage to a creature defending player controls.

Flying, haste

Blaze deals X damage to any target.

Target creature gets +3/+3 and gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

Swarm of Rats's power is equal to the number of Rats you control.

Return all Nightstalker permanent cards from your graveyard to the battlefield. Then destroy all Swamps you control.

When Ravenous Rats enters the battlefield, target opponent discards a card.

Return target creature card from your graveyard to your hand.

Destroy all creatures target opponent controls. You lose 2 life for each creature destroyed this way.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Prowling Nightstalker can't be blocked except by black creatures.

When Predatory Nightstalker enters the battlefield, you may have target opponent sacrifice a creature.

Nightstalker Engine's power is equal to the number of creature cards in your graveyard.

Flying When Angel of Mercy enters the battlefield, you gain 3 life.

Flying

Whenever Lurking Nightstalker attacks, it gets +2/+0 until end of turn.