mtg black energy cards Darkness | Diamond & Pearl—Majestic Dawn Pay X E mono-black energy counters // Commander

It's got First Strike and Protection from Red for some reason, and apparently those nasty Sea Trolls hunt the Narwhals

, , Sacrifice Realmbreaker: Search your library for any number of Praetor cards, put them onto the battlefield, then shuffle

There are no rules here so long as the cards in question are legal for your format

its hard to keep any meaningful board presence in the face of this kraken

Plague Rats, most obviously, is non-functional in a context of 60 card minimums and 4 per card maximums, but is hilarious and brutal in a 40 card minimum environment where an opponent may have a dozen or so Rats

You just need to untap with four different demons on the battlefield