CMR: Opposition Agent (Extended Art) (Foil) Core Set 2021 The unquiet spirits of the

The unquiet spirits of the dead cry out and ghouls stalk the midnight streets

you may put it into its owner's library third from the top

All of the cards in the original Hidden Arsenal series were either Super Rares or Secret Rares

Exile all creature cards from all graveyards

CMR: Opposition Agent (Extended Art) (Foil) Core Set 2021 The unquiet spirits of theFlash You control your opponents while they're searching their libraries. While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.