Urza, Lord High Artificer [Modern Horizons] San Diego Comic-Con 2013 then target 1 monster on

then target 1 monster on the field whose current ATK is different from its original ATK

or nonbasic land an opponent controls

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

When Summoned this way: You can activate this effect

draw that many cards instead

Urza, Lord High Artificer [Modern Horizons] San Diego Comic-Con 2013 then target 1 monster onSet: 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.