Fierce Deity Link

This card cannot be countered.
Hexproof, Indestructible, Annihilator 4
This card can only be cast by the effects of
"Fierce Deity Mask" you control.You can target
an opponent's permanent. Exile it face-down.
When this card is cast, take an extra turn.When
this card is sent to the graveyard, return it to
your library. Then shuffle your library.
"Cry for the Moon!"