Urza, Lord High Artificer - [Foil] Commander Masters (CMM) Box Topper Until that moment

Until that moment

Sacrifice Conjurer's Bauble: Put up to one target card from your graveyard on the bottom of your library

Menace Ward—Sacrifice a creature

Whenever an opponent casts a spell during your turn or when Voice of Resurgence dies

Urza, Lord High Artificer - [Foil] Commander Masters (CMM) Box Topper Until that momentWhen 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.