Nyarlathotep

: Whenever a spell is cast while you control a creature named Randall Flagg, put a loyalty counter on Nyarlathotep.
0: Until end of turn, Nyarlathotep becomes a 0/5 Legendary Black Human creature token named Randall Flagg. He gains Indestructible this turn.
-6: Gain control of all Human creatures opponents control until end of turn. Untap them. They gain Haste until end of turn.