Slag Fiend

(T: Add W.)

Create a 3/3 green Beast creature token for each creature put into your graveyard from the battlefield this turn.

Imprint — When this creature enters, you may exile target nontoken creature. This creature gets +X/+Y, where X is the exiled creature card's power and Y is its toughness.

Flying Whenever a land an opponent controls enters, you may gain 3 life.

(R/P can be paid with either R or 2 life.) Gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Whenever another creature you control enters, you may gain 1 life. Whenever a creature an opponent controls enters, you may have that player lose 1 life.