Rhytok of the Labyrinth

Rytok of the Labyrinth enters the battlefield with seven maze counters on him. At the beginning of combat on your turn, if there are no maze counters on Rhytok, Minotaurs you control get +5/+0 and gain haste and menace until end of turn.
Whenever a creature an opponent control dies, if a Minotaur you control dealt damage to it this turn, remove a maze counter from Rhytok unless that oppo