mtg deep clue sea commander deck MTG: Murders at Karlov Manor One Of The Strongest Commander

It could be useful in tribal decks that don't have a lot of ways to create a large mass of creatures, or in any token deck just to generate mana

This is Commander's stapliest blue staple, after all: One of the best stax cards in the game, one of the best card draw effects in Magic, and overall among the strongest enchantments you can play

The biggest plus of Progenitus is access to every color

Fanatical Devotion can keep Teshar around as long as you have creatures to sacrifice, for example

A three-mana combat trick is a big ask, but this will make a huge difference in a race, and because it cantrips, is going to slot nicely into the UB draw-two archetype.