Ashnod's Altar [Mystery Booster] Metal[x2] You can only Special Summon

You can only Special Summon "Dinowrestler Pankratops" once per turn this way

Set: Mirrodin Type: Creature — Vedalken Wizard Rarity: Rare Cost: {2}{U}{U} Whenever you cast an artifact spell

the brothers had known that no human contrivance could stand against the true masters of Dominia

if a "Sinister Serpent" exist in your Graveyard

No matter how hard they tried

Ashnod's Altar [Mystery Booster] Metal[x2] You can only Special SummonSet: Mystery Booster Type: Artifact Rarity: Uncommon Cost: {3} Sacrifice a creature: Add {C}{C}. "If you work at sawing up carcasses, you notice how the joints fit, how the nerves are arrayed, and how the skin peels back." Ashnod, to Tawnos