Urza's Incubator [Commander 2015] BT4-078 its controller adds an additional

its controller adds an additional one mana of any color

Set: Unknown Event Type: Legendary Creature — Dog Rarity: Common Whenever another legendary creature or creature with mana value one enters the battlefield under your control

Set: Ravnica Remastered Type: Artifact Rarity: Rare Cost: {5} As Seal of the Guildpact enters the battlefield

The best way to fight evil is with its own weapons

from Bratislava in the Slovak Republic

Urza's Incubator [Commander 2015] BT4-078 its controller adds an additionalSet: 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