Urza's Incubator [Urza's Destiny] Goblin Shaman Whenever a creature enters the

Whenever a creature enters the battlefield under an opponent's control

Chroma — Primalcrux's power and toughness are each equal to the number of green mana symbols in the mana costs of permanents you control

or planeswalker

return target creature to its owner's hand

The student searches the world for meaning

Urza's Incubator [Urza's Destiny] Goblin Shaman Whenever a creature enters theSet: Urza's Destiny 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, Academy Chancellor