Urza's Incubator [Commander 2015] 22 Tap three untapped Merfolk you

Tap three untapped Merfolk you control: Draw a card

Set: Ravnica: City of Guilds Type: Land — Forest Plains Rarity: Rare ({T}: Add {G} or {W}

Set: Modern Masters 2015 Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {10} When you cast this spell

if this came under your control since the beginning of your last upkeep

At that time

Urza's Incubator [Commander 2015] 22 Tap three untapped Merfolk youSet: 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