Urza's Incubator [Commander 2015] Dragon Spirit Set: Dissension Type: Enchantment Rare

Set: Dissension Type: Enchantment Rare Cost: {3}{R} Whenever an opponent taps a land for mana

Which tells us the way to go

Set: Battle Royale Box Set Type: Sorcery Uncommon Cost: {B} Put target creature card from a graveyard onto the battlefield under your control

Set: HarperPrism Book Promos Type: Artifact Rare Cost: {0} At the beginning of your upkeep

Urza's Incubator [Commander 2015] Dragon Spirit Set: Dissension Type: Enchantment RareSet: Commander 2015 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