Karn, Scion of Urza [Dominaria Prerelease Promos] Metal[+20] Put one of them into

Put one of them into your hand and the rest on the bottom of your library in any order

Set: HeartGold & SoulSilver: Unleashed Type: Psychic Rarity: Ultra Rare Retreat cost: 0

"In the drowsy dark cave of the mind

"Black Luster Ritual"

Karn, Scion of Urza [Dominaria Prerelease Promos] Metal[+20] Put one of them intoSet: Dominaria Prerelease Promos 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."