Urza, Lord High Artificer [Commander Masters] Wilds of Eldraine Whenever an opponent casts a

Whenever an opponent casts a spell with mana value

he nurtures life among the dead

Tap X untapped tokens you control: Add X mana in any combination of colors

your opponents can't cast spells or activate abilities of artifacts

Urza, Lord High Artificer [Commander Masters] Wilds of Eldraine Whenever an opponent casts aSet: Commander Masters 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.