Umori, the Collector 231 - Ikoria: Lair of Behemoths [IKO]

Umori, the Collector

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.

• Set: Ikoria: Lair of Behemoths
• Rarity: Rare