Urza's Incubator [Urza's Destiny] Treefolk sacrifice Phantasmal Forces unless you

sacrifice Phantasmal Forces unless you pay {U}

{T}: Until end of turn

Set: Magic Origins Prerelease Promos Type: Creature — Human Knight Rarity: Rare Cost: {W}{W} First strike

Premium creatures get +1/+1

Set: Beta Edition Type: Creature — Rat Rarity: Common Cost: {2}{B} Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield

Urza's Incubator [Urza's Destiny] Treefolk sacrifice Phantasmal Forces unless youSet: Urza's Destiny 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, Academy Chancellor