Urza's Saga New Stock Blitzwing gains that ability until

Blitzwing gains that ability until end of turn

Creature and planeswalker spells you cast have affinity for artifacts

Exchange control of those permanents

instead that source deals that much damage to you and Eye for an Eye deals that much damage to that source's controller

+1: Create a 1/1 white Soldier creature token with lifelink

Urza's Saga New Stock Blitzwing gains that ability until(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I This Saga gains "{T}: Add {C}." II This Saga gains "{2}, {T}: Create a 0 0 colorless Construct artifact creature token with 'This token gets +1 +1 for each artifact you control.'" III Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.