mtg bloomburrow otter cards Thieving Common Prowess (Whenever you cast a noncreature spell Otter Deck Bloomburrow Set Constructed

Your commander can be any uncommon creature and doesnt have to be legendary like a typical EDH deck

Gravebreaker Lamia came in at #4 in my Theros: Beyond Death article that you can find here

This works well enough in decks that rely heavily on sacrificing creatures, like those commanded by Meren of Clan Nel Toth or Mazirek, Kraul Death Priest

She can do anything

Illustrated by Volkan Baa Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Not Legal Brawl Legal Legacy Not Legal Comp

Often, these payoffs include cards with Delve, allowing you to cast them for much cheaper to free by exiling cards out of your graveyard to discount it