what does mk mean on psa graded cards by 'minisizerq' cards? What is the grading criteria

Ephemerate is probably strongest in 4c Elementals, where every creature has a threatening ETB that can value-spiral out of control quickly

The Pokmon Company has announced a new experience called "AI Battle Challenge," which is now pitting human players against its bots in the "Pokmon Trading Card Game." The goal is to see how humans fare against existing AI bots, but more importantly, train their existing models on how humans play the game, their strategies, and more

Omenpath to Naya is even more interesting

2: Tap up to two target nonland permanents

And the assets really can't be too expensive because you need to be able to pass that skill test