Karn, Scion of Urza (Promo Pack) [Dominaria Promos] H2 You can't lose the game

You can't lose the game this turn and your opponents can't win the game this turn

Set: Diamond & Pearl: Legends Awakened Type: Metal Rarity: Promo Retreat cost: Colorless

except "Gagaga Head"

Sea Serpent and Aqua-Type monsters gain 400 ATK

Karn, Scion of Urza (Promo Pack) [Dominaria Promos] H2 You can't lose the gameSet: Dominaria 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."