Thanos, The Mad Titan

+3: On your opponents' next turn, Thanos, The Mad Titan is a 1/1 colorless Titan with indestructible.
0: If there are six Infinity Stones on Thanos, all opponents exile half of their libraries and permanents at random. Exile Thanos, The Mad Titan.
-1: Give Thanos, The Mad Titan one Infinity Stone. Put a 3/3 colorless Minion onto the battlefield with haste and first strike.