Arcarius, Corrupt Keeper

: Transforms from Arcarius, Underworld Gatekeeper. When Arcarius transforms, remove X skull counters from it, then put X loyalty counters on it.
+1: Gain control of target creature and untap it. It gains haste. Sacrifice it at the end of turn, then put a skull counter on Arcarius.
-2: Create a X/X red and black Demon creature token, where X is the number of skull counters on Arcarius.