Mana Vault [Summer Magic / Edgar] Condition:Moderately Played Set: Theros Type: Artifact Rare

Set: Theros Type: Artifact Rare Cost: {1} {T}: Each player exiles the top card of their library face down

Set: Commander 2017 Type: Land Rarity: Uncommon Mystic Monastery enters the battlefield tapped

Set: Magic 2013 Type: Sorcery Rare Cost: {5}{U} Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard

Set: Sun & Moon: Unified Minds Type: Dragon Rarity: Holo Rare Retreat cost: Colorless

"The best answers solve more than one riddle

Mana Vault [Summer Magic / Edgar] Condition:Moderately Played Set: Theros Type: Artifact RareSet: Summer Magic Edgar 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}.