Loki, God of Mischief

Deathtouch, Hexproof
Whenever Loki, God of Mischief deals
combat damage to a player, you may choose target permanent that player controls. You may have Loki, God of Mischief become a copy of that permanent, except it is not legendary, its name is still Loki, God of Asgard, and has: {u}{b}: Exile Loki, God of Mischief, then return it to the battlefield under your control.