Urza's Incubator [Commander 2015] URL/Convention Promos None can tell how many

None can tell how many vessels are tangled up on the sea floor—or how much treasure remains unclaimed

Set: Shadows over Innistrad Prerelease Promos Type: Sorcery Rarity: Mythic Cost: {5}{B}{B} Discard your hand

Activate only if an opponent controls four or more lands

His dreams are filled with noxious powders and clinking vials

Urza's Incubator [Commander 2015] URL/Convention Promos None can tell how manySet: 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