mtg are unfinity cards legal in commander Can I use an card a deck? s:unfinity legal:commander · Scryfall Magic:

Surrounded by mill effect cards like Nuclear Fallout and Riverchurn Monument, this commander may have a solid choice of creatures to cast from graveyards

Advanced Level: The Master Architect and the Metagame An advanced deck builder thinks not only about their own deck but also about the entire competitive environment, known as the "metagame." They build decks based on established strategic archetypes and make specific card choices to gain an edge against the most popular decks

While I dont think this will be good most places, therefor breaking my list rules a bit, I do think it will work well in an energy build to super charge it a bit

Boom // Bust is a split card, but youre mostly playing it to use Bust