Urza's Incubator [Commander 2015] Tenth Edition you may attack an additional

you may attack an additional time with each weapon you control

Set: Antiquities Type: Artifact Creature — Bird Rarity: Rare Cost: {5} Flying

Set: Guru Type: Basic Land — Island Rarity: Rare ({T}: Add {U}

then destroy target creature of an opponent's choice

this expert navigator of the *Weatherlight* believes that scholarship does not necessarily lead to understanding

Urza's Incubator [Commander 2015] Tenth Edition you may attack an additionalSet: Commander 2015 Type: Artifact Rarity: 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