The Fifthist God

Power and Toughness equals your life total.
{t}: Return The Fifthist God from the battlefield
to your hand.
Channel — {5}, Discard
The Fifthist God, take control of target
creature you don't control with a converted mana
cost of 5 or less until end of turn, return
The Fifthist God from your graveyard
to your hand.