Karn, Scion of Urza [Dominaria] Mountain

Karn, Scion of Urza [Dominaria] MountainSet: Dominaria 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."

Shuffle Green Sun's Zenith into its owner's library

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Rarity: Rare Cost: {2}{U}{U} Horsemanship (This creature can't be blocked except by creatures with horsemanship

Pyromaster deals 1 damage to target player or planeswalker and 1 damage to up to one target creature that player or that planeswalker's controller controls

a creature

but for reasons known only to the two of them neither acknowledges the other—or their strained relationship

Set: Gatecrash Type: Land — Mountain Plains Rarity: Rare ({T}: Add {R} or {W}

Counter target spell

prevent that damage

Activate only once each turn

Whereas Mishra works in metals and stone

You skip your next turn

{T}: Add one mana of any color