special guest cards mtg Prismatic Ending | Guests Morbid Opportunist (Special Guests)

While the mechanic itself is pretty general, there now exist quite a few cards that reward players for casting spells from zones other than their hands, usually from exile

Grant those cards flash then firebending can help pay for them, but flickering Azula is also quite good and can bank up cards in exile

It goes well with Budoka Gardener and Jushi Apprentice

It also works best when you have Anna in play, since this strengthens Elsa's abilities

creates a token that's a copy of one of the listed cards in the Oracle card reference

Sarkhan, Soul Aflame is a dragon decks best shapeshifter, making your dragons cheaper and copying the newest one that hits the battlefield, which leads to some pretty wild double-threat turns