Umori, the Collector (Serialized) [Multiverse Legends] The Lost Caverns of Ixalan where X is the exiled

where X is the exiled card's converted mana cost

and of course the greatest of all horrors: the castle's housecat

Venture Into The Expanse

A stalwart guardian of its controlling warcaster

players perform one of four actions:

Umori, the Collector (Serialized) [Multiverse Legends] The Lost Caverns of Ixalan where X is the exiledSet: Multiverse Legends Type: Legendary Creature Ooze Rarity: Rare Cost: {2}{B G}{B G} Companion Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} any time you could cast a sorcery.) As Umori, the Collector enters the battlefield, choose a card type. Spells you cast of the chosen type cost {1} less to cast.