Urza's Incubator [Commander Anthology Volume II] San Diego Comic-Con 2014 and white at the beginning

and white at the beginning of your next upkeep

and lands your opponents control enter the battlefield tapped

*Discourse on Method*

Set: Modern Masters Type: Enchantment Rare Cost: {4}{G} If an effect would create one or more tokens under your control

At the beginning of the upkeep of enchanted creature's controller

Urza's Incubator [Commander Anthology Volume II] San Diego Comic-Con 2014 and white at the beginningSet: Commander Anthology Volume II Type: Artifact Rare Cost: {3} As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast. "Stop thinking like an artificer, Urza, and start thinking like a father!" Rayne, chancellor of the Tolarian Academy