Mana Vault [Limited Edition Alpha] Condition:Damaged You may cast that card

You may cast that card

Set: Unleashed Type: Metal Rarity: Ultra Rare Retreat cost: 4 [2] Energy Stream (30) Search your discard pile for an Energy card and attach it to Steelix

If Summoning an "Invoked" Fusion Monster this way

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first strike

Mana Vault [Limited Edition Alpha] Condition:Damaged You may cast that cardSet: Limited Edition Alpha 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}.