Some of the best cards to pair with Morophon, the Boundless include: Urza's Incubator stacks additional cost reduction effects for your chosen creature type Leyline of Mutation enhances your creature-type synergies even further Vanquisher's Banner provides both card draw and a power boost for your board Chronicle of Victory gives your creatures first strike, trample, +2/+2, and draws you cards 4
The otter ends up falling into the bottom tier of companions with Umori
This card looks great , is readable, and should play great in the right shell
You may not be able to literally select which cards are going to the graveyard with each discard spell, but by paying attention to what cards your opponent keeps and what they give up, you can try and time your punches to cut off their decisions and paralyze even the most powerful Constructed decks
Nobody is going to want to drop an Ulamog, the Ceaseless Hunger down and leave it sitting out for your next turn