Eldrazi Displacement

Enchant creature you control
If you're the King, enchanted creature can't attack and has "{c}, {t}: Target creature gets
+X/+X until end of turn where X is the enchanted creature's power."
If you're not the King, enchanted creature can't block and has "{c}, {t}: Return target creature of power X or less to their owner's hand, where X is the enchanted creature's power."