Idol of Endurance

堅白雕像 (Idol of Endurance) (zht)

Artifact (CMC 3)
When Idol of Endurance enters the battlefield, exile all creature cards with mana value 3 or less from your graveyard until Idol of Endurance leaves the battlefield.
, : Until end of turn, you may cast a creature spell from among cards exiled with Idol of Endurance without paying its mana cost.