Bereavement

Whenever a green creature dies, its controller discards a card.

Blood Pet

Flying (This creature can't be blocked except by creatures with flying or reach.)

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

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

{X}: This creature deals X damage to each creature and each player. Spend only black mana on X.

When this creature enters, destroy target nonblack creature.

Destroy target nonblack creature. It can't be regenerated.