At the beginning of combat on each opponent's turn, that player may exile a card from their graveyard. If the player doesn't, creatures they control can't attack you this turn.

: Whipkeeper deals damage to target creature equal to the damage already dealt to it this turn.

Discard a card: Wild Mongrel gets +1/+1 and becomes the color of your choice until end of turn.

Flying, trample

When Worldgorger Dragon enters the battlefield, exile all other permanents you control.

When Worldgorger Dragon leaves the battlefield, return the exiled cards to the battlefield under their owners' control.

Wormfang Crab can't be blocked.

When Wormfang Crab enters the battlefield, an opponent chooses a permanent you control other than Wormfang Crab and exiles it.

When Wormfang Crab leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Flying

When Wormfang Manta enters the battlefield, you skip your next turn.

When Wormfang Manta leaves the battlefield, you take an extra turn after this one.

When Wormfang Turtle enters the battlefield, exile a land you control.

When Wormfang Turtle leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Whenever Zombie Cannibal deals combat damage to a player, you may exile target card from that player's graveyard.

Tap an untapped Zombie you control: Target land becomes a Swamp until end of turn.

Tap an untapped Zombie you control: Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.)

, : Reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, put it into your graveyard.