MTG

Whenever you gain life, target opponent loses that much life.

When Anathemancer enters the battlefield, it deals damage to target player equal to the number of nonbasic lands that player controls. Unearth {5}{...

Whenever Ashling, the Extinguisher deals combat damage to a player, choose target creature that player controls. The player sacrifices that creature.

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless R...

Scry 2, then draw two cards. You lose 2 life.

Each opponent sacrifices a creature. If you control a Liliana planeswalker, each opponent also discards a card.

If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield. If a card would be put into an opponent's grave...

Deathtouch Whenever another nontoken creature dies, you may draw a card.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Destroy target permanent.

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Whenever Vedalken Ghoul becomes blocked, defending player loses 4 life.

Each player loses X life, discards X cards, sacrifices X creatures, then sacrifices X lands.

Haste Swampcycling {2}, mountaincycling {2} ({2}, Discard this card: Search your library for a Swamp or Mountain card, reveal it, put it into your ...

Search target player's library for up to X cards, where X is the number of Swamps you control, and exile them. Then that player shuffles.

Prevent all combat damage that would be dealt this turn.

Target player loses 4 life and you gain 4 life. Basic landcycling {1}{B} ({1}{B}, Discard this card: Search your library for a basic land card, rev...

When Caustic Hound dies, each player loses 4 life.

Flying

Flying {1}{B}, Sacrifice this creature: Return an exiled card named Sengir Nosferatu to the battlefield under its owner's control.

Necrogoyf's power is equal to the number of creature cards in all graveyards. At the beginning of each player's upkeep, that player discards a car...

Shadow (This creature can block or be blocked by only creatures with shadow.) If a card would be put into an opponent's graveyard from anywhere, i...

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If...

{X}: Equipped creature gets +X/+0 until end of turn. Equip {1}