Changeling Titan

Creature - Shapeshifter 7/7, 4G (5)
Changeling (This card is every creature type at all times.)
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.)¹
Illus. Jesper Ejsing

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Lorwyn (Uncommon)