$0.94
Changeling Berserker 
Creature — Shapeshifter
Lorwyn Uncommon
Changeling (This card is every creature type.)
Haste
Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)
Haste
Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)
5/ 3
#160 — Illus. Warren Mahy