Titan Forge [Mirrodin Besieged] SM27 Must first be Special Summoned

Must first be Special Summoned (from your hand) by Tributing the same number of monsters needed for a Tribute Summon (normally 0)

if you have no monsters in your Graveyard: Negate the activation

except for the Synchro Summon of a "Scrap" monster

you can negate that monster's attack by removing from play 1 Pyro-Type monster in your Graveyard

Set: Sword & Shield: Evolving Skies Type: Water Rarity: Holo Rare Retreat cost: Colorless

Titan Forge [Mirrodin Besieged] SM27 Must first be Special SummonedSet: Mirrodin Besieged Type: Artifact Rarity: Rare Cost: {3} {3}, {T}: Put a charge counter on Titan Forge. {T}, Remove three charge counters from Titan Forge: Create a 9 9 colorless Golem artifact creature token.