Umori, the Collector [IKO - 231]

Rarity: R #: 231 Creature Type or Sub Type: Legendary Creature — Ooze P: 4 T: 5 Rules Text Contains: Companion — Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may cast it once from outside the game) As Umori, the Collector enters the battlefield, choose a card type. Spells you cast of the chosen type cost 1 less to cast.