Karn, Scion of Urza [Dominaria Prerelease Promos] Wurm Return that card to the

Return that card to the battlefield under its owner's control at the beginning of the next end step

Thief of Blood enters the battlefield with a +1/+1 counter on it for each counter removed this way

Set: Urza's Legacy Type: Artifact Rarity: Rare Cost: {3} No more than two creatures can attack you each combat

{2}{G}: Another target creature gets +2/+0 and gains trample until end of turn

Karn, Scion of Urza [Dominaria Prerelease Promos] Wurm Return that card to theSet: 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."