Karn, Scion of Urza [Mythic Edition] Assembly-Worker Gerrard's longtime friend and fellow

Gerrard's longtime friend and fellow student under the maro-sorcerer Multani

Set: Visions Type: Enchantment Rarity: Uncommon Cost: {2}{B} You may cast Necromancy as though it had flash

Sacrifice a creature: Destroy target nonblack creature

Set: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {1}{U}{U} Counter target spell

Also once per turn

Karn, Scion of Urza [Mythic Edition] Assembly-Worker Gerrard's longtime friend and fellowSet: Mythic Edition Type: Legendary Planeswalker Karn Rarity: Mythic Cost: {4} +1: Reveal the top two cards of your library. An opponent chooses one of them. Put that card into your hand and exile the other with a silver counter on it. 1: Put a card you own with a silver counter on it from exile into your hand. 2: Create a 0 0 colorless Construct artifact creature token with "This creature gets +1 +1 for each artifact you control."