Urza, Lord High Artificer (Borderless) [DMR - 423] Printing:Normal twice that many +1/+1 counters

twice that many +1/+1 counters are placed on that creature instead

Whether your players haven't picked up a set in a while or are card-slinging veterans

Flavor: The sky takes flight and the earth trembles

defending player exiles the top twenty cards of his or her library

Rules Text Contains: (T: Add G or U)

Urza, Lord High Artificer (Borderless) [DMR - 423] Printing:Normal twice that many +1/+1 countersRarity: M #: 423 Creature Type or Sub Type: Legendary Creature Human Artificer P: 1 T: 4 Rules Text Contains: 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.