Atlantis Attacks [Marvel Super Heroes]

Teamwork 4 (As an additional cost to cast this spell, you may tap any number of creatures you control with total power 4 or more.)
Choose one. If this spell was cast using teamwork, choose both instead.
• Target player creates a 6/5 blue Leviathan creature token with hexproof.
• Return one or two target nonland permanents to their owners' hands.