A severe exploit in this manner is unlikely, however, given the lessons WoTC has already learned from older abusable counter-based cards in MTG
How much are bulk Pokmon cards worth
It's built around casting various noncreature spells, and either burning your opponents if you use Y'shtola as your commander, or amassing a battlefield of tokens if you're using G'raha
You use your various weapons, armor, and accessories to buff up your characters and push them through the game
Egyptian Themed Deck Creature (16) 1x Banewhip Punisher 1x Battlefield Scavenger 1x Combat Celebrant 1x Earthshaker Khenra 1x Emberhorn Minotaur 2x Firebrand Archer 1x Glorybringer 1x Hazoret the Fervent 1x Minotaur Sureshot 1x Nimble-Blade Khenra 1x Ominous Sphinx 2x Sand Strangler 1x Vizier of Many Faces 1x Wall of Forgotten Pharaohs Land (14) 1x Canyon Slough 2x Desert of the Fervent 2x Desert of the Glorified 2x Desert of the Mindful 4x Painted Bluffs 1x Scavenger Grounds 2x Sunscorched Desert Instant (5) Planeswalker (1) Artifact (6) 1x Bontu's Monument 1x God-Pharaoh's Gift 1x Hazoret's Monument 1x Kefnet's Monument 1x Mirage Mirror 1x Throne of the God-Pharaoh
The template's role field forces the question: if this Pokmon is your sweeper, who sets it up