Karn, Scion of Urza (Prerelease) [Dominaria Prerelease Promos] Zendikar Rising reduce its play cost by

reduce its play cost by 2 if you have [Alice McCoy] in play

what is his plan for the Eternals

Beloved Ranger enters the battlefield

When Haakon is put into a graveyard from play

Ice may thaw

Karn, Scion of Urza (Prerelease) [Dominaria Prerelease Promos] Zendikar Rising reduce its play cost bySet: 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."