Karn, Silver Golem [From the Vault: Relics] Pioneer the war between Urza and

the war between Urza and Mishra made Dominaria itself a casualty of war

You may reveal a noncreature

The Battle of Tomakul taught Urza not to rely on fickle reinforcements

To become king of the Goblins

Set: Legends Type: Instant Rarity: Rare Cost: {U}{U}{U} Cast this spell only during the declare attackers step

Karn, Silver Golem [From the Vault: Relics] Pioneer the war between Urza andSet: From the Vault: Relics Type: Legendary Artifact Creature Golem Rarity: Mythic Cost: {5} Whenever Karn, Silver Golem blocks or becomes blocked, it gets 4 +4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn.