Hammer of Nazahn [Commander 2017] Specter Set: Alpha Edition Type: Artifact

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {4} {2}

If you control an Urza's Mine and an Urza's Power-Plant

Set: Junior Super Series Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

−12: Exile all cards from target player's library

and then you're done

Hammer of Nazahn [Commander 2017] Specter Set: Alpha Edition Type: ArtifactSet: Commander 2017 Type: Legendary Artifact Equipment Rarity: Rare Cost: {4} Whenever Hammer of Nazahn or another Equipment enters the battlefield under your control, you may attach that Equipment to target creature you control. Equipped creature gets +2 +0 and has indestructible. Equip {4}