Since all of its abilities can be used at instant speed, Psychic Frog can suddenly become much stronger or gain flying for defensive purposes, or bait out blockers to suddenly make it stronger
Besides Etali, Primal Conqueror, one of the most valuable creatures from March of the Machine is surprisingly tiny and unsuspecting
This can be anything from attacking with an arbitrarily large creature to some sort of alternate wincon that deals an unreasonable amount of damage
It's a "big tribe." Often, a single one of these cards already has a tremendous impact on the game, so you don't need to fill your deck with tons and tons of them
Im predicting a fall to bulk mythic status for now, but if people start getting excited about Ramos, Ill re-evaluate things
While its no One-of-One Ring, there are only 77 serialized copies of this card in existence, making it obscenely rare