Urza, Lord High Artificer [Modern Horizons] Khans of Tarkir Prerelease Promos Suddenly one of these boulders

Suddenly one of these boulders toppled from its perch and sprouted gargantuan wings

Imaginative Rascal (When this creature enters the battlefield

create a token copy that attacks that opponent this turn if able

Set: Alpha Edition Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Destroy all creatures

Urza, Lord High Artificer [Modern Horizons] Khans of Tarkir Prerelease Promos Suddenly one of these bouldersSet: Modern Horizons Type: Legendary Creature Human Artificer Rarity: Mythic Cost: {2}{U}{U} When Urza, Lord High Artificer enters the battlefield, create a 0 0 colorless Construct artifact creature token with "This creature gets +1 +1 for each artifact you control." Tap an untapped artifact you control: Add {U}. {5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.