Smelting Vat (Retro) [The Brothers' War Commander] Historic where X is the amount

where X is the amount of mana spent to cast that spell

it enters the battlefield under your control

Hoard-Smelter Dragon gets +X/+0 until end of turn

Set: The Brothers' War Retro Artifacts Type: Artifact Rarity: Uncommon Cost: {3} {2}

Smelting Vat (Retro) [The Brothers' War Commander] Historic where X is the amountSet: The Brothers' War Commander Type: Artifact Rarity: Rare Cost: {4} {1}, {T}, Sacrifice another artifact: Reveal the top eight cards of your library. Put up to two noncreature artifact cards with total mana value less than or equal to the sacrificed artifact's mana value from among them onto the battlefield and the rest on the bottom of your library in a random order.