Urza's Incubator [Commander Anthology Volume II] Dinosaur Avatar Sacrifice it at the beginning

Sacrifice it at the beginning of the next end step

Set: Khans of Tarkir Type: Land Rarity: Rare {T}

Repeat this process until no one puts a card onto the battlefield

Set: Arabian Nights Type: Creature — Human Rarity: Rare Cost: {1}{W} Protection from red

Set: Weatherlight Type: Creature — Human Rarity: Rare Cost: {2}{W} At the beginning of your upkeep

Urza's Incubator [Commander Anthology Volume II] Dinosaur Avatar Sacrifice it at the beginningSet: Commander Anthology Volume II 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