Mana Vault [Kaladesh Inventions] Eternal Masters Set: Legends Type: Creature —

Set: Legends Type: Creature — Gnome Rarity: Rare Cost: {3}{R} {T}: If target Plains is tapped for mana

Set: Classic Sixth Edition Type: Creature — Bird Rarity: Rare Cost: {G} Flying

As long as there are four or more quest counters on Quest for Renewal

you may exile it

Set: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Players can't untap more than one creature during their untap steps

Mana Vault [Kaladesh Inventions] Eternal Masters Set: Legends Type: Creature —Set: Kaladesh Inventions Type: Artifact Rarity: Mythic 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}.