MTG >Combos >Krark-Clan Ironworks +Gemstone Array +Mana Crypt +Auriok Salvagers +

Tap Mana Vault to add three mana Sacrifice Mana Vault with Krark-Clan Ironworks to add two mana Pay two mana to add a white mana with Gemstone Array Pay 1W to return Mana Vault to your hand with Auriok Salvagers Pay one mana to cast Mana Vault Repeat the process.