Cauldron of Souls [Commander Anthology Volume II] Unhinged −10: For each creature card

−10: For each creature card in your graveyard

When Duergar Hedge-Mage enters the battlefield

that player returns a land they control to its owner's hand

" This effect lasts indefinitely

(It's an artifact with "Sacrifice this artifact: Add one mana of any color

Cauldron of Souls [Commander Anthology Volume II] Unhinged −10: For each creature cardSet: Commander Anthology Volume II Type: Artifact Rarity: Rare Cost: {5} {T}: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no 1 1 counters on it, return it to the battlefield under its owner's control with a 1 1 counter on it.)