Urza's Saga (Showcase) Buylist An opponent chooses a nonland

An opponent chooses a nonland card exiled this way

({T}: Add {W} or {B}

As long as this creature is untapped

For each kind of counter on Blue

Each creature you control gets +1/+0 for each time it has attacked this turn

Urza's Saga (Showcase) Buylist An opponent chooses a nonland(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.