Urza's Incubator [Commander Anthology Volume II] Bear players can't cast spells or

players can't cast spells or activate abilities that aren't mana abilities

Set: Hour of Devastation Type: Creature — Horse Mythic Cost: {3}{W}{W} Other Horses you control have indestructible

Eventually

Set: Amonkhet Invocations Type: Instant Mythic Cost: {0} Counter target spell

burning and devouring everything in their path

Urza's Incubator [Commander Anthology Volume II] Bear players can't cast spells orSet: 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