Glennya, Boiling Water

Eminence - Whenever Glennya, Boiling Water
is in the command zone or on the battlefield, you may cast creature spells face down for {2}.

Whenever a face-down creature would leave
the battlefield, you may pay {2}. If you do, you may turn them face up. They have haste until end of turn. They leave the battlefield at the
end of turn.