Mana Vault [Revised Edition] Core Set 2019 then sacrifice it unless you

then sacrifice it unless you pay its upkeep cost for each age counter on it

could create a working model from even the smallest remnants of a newly unearthed artifact

Set: Legends Type: Creature — Demon Rarity: Rare Cost: {3}{B}{B} At end of combat

Set: San Diego Comic-Con 2014 Type: Legendary Planeswalker — Ajani Rarity: Mythic Cost: {3}{W} +1: Until end of turn

When Serra Avatar is put into a graveyard from anywhere

Mana Vault [Revised Edition] Core Set 2019 then sacrifice it unless youSet: Revised Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.