Mana Vault [Alpha Edition] Commander 2014 and you may spend mana

and you may spend mana as though it were mana of any type to cast those spells

"Tell me again

Despite the magic that sustains Gonti's life

Set: Alpha Edition Type: Instant Rarity: Common Cost: {R} Cast this spell only during the declare blockers step

Set: Gatecrash Type: Land — Mountain Plains Rarity: Rare ({T}: Add {R} or {W}

Mana Vault [Alpha Edition] Commander 2014 and you may spend manaSet: Alpha 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}.