Tibalt Controlled Minion

: Whenever you like you may tap 5 of your creatures and Tibalt becomes a 10/1 with indestructible that's still a Planeswalker
+1: Sacrifice 4 creatures and target creature becomes a 0/1 or draw a card and create a devil creature token
-15: Gain control of target creature if that creature is to die it is exiled instead