Bindbreaker

Flying
When Breaker of Bindings enters the battlefield,
return all exiled cards to the zone they were
exiled from under their owners' control.
{t}: Counter target spell or ability that would
exile a creature you control.
Creatures have "Other sources can't prevent this
creature from untapping during its controller's
untap step."
Creatures' power and toughness are indomitable.
(A number that is indomitable cannot be reduced below its base value.)