Urza, Powerstone Prodigy (U) – The Brothers War – Wizards of the Coast from Wizards of the Coast

Description

Urza, Powerstone Prodigy
Legendary Creature — Human Artificer
Vigilance

1, T: Draw a card, then discard a card.

Whenever you discard one or more artifact cards, create a tapped Powerstone token. This ability triggers only once each turn. (The token is an artifact with: “T: Add C. This mana can’t be spent to cast a nonartifact spell.”)