Carrion Rats
{B}
Creature -- Rat
2/1
Whenever ~this~ attacks or blocks, any player may exile a card from their graveyard. If a player does, ~this~ assigns no combat damage this turn.
Carrion Wurm
{3}{B}{B}
Creature -- Zombie Wurm
6/5
Whenever ~this~ attacks or blocks, any player may exile three cards from their graveyard. If a player does, ~this~ assigns no combat damage this turn.