When you consider that any deck wanting to pull this off will likely have plenty of ways to ensure it happensfrom proliferation, to protection, to being able to activate loyalty abilities more than once a turnits easy to see how this thing can do serious work in Commander
other times, it'll totally whiff
It makes sense, then, that our first card on this list is one that costs two blue and one black to cast: Undermine
It awaits the call to battle. Illustrated by Stephen Tappin Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
Off the top of my head this card slots into Raise the Past decks, as you can flip Sephirtoh pretty easily with Bartolome del Presidio and fodder like Nesting Bot and Infestation Sage
If X is 5 or more, destroy all other creatures