Odds are you probably dont have much else going for you anyway if youre destroying the entire board
With a solid three strength and three willpower that will leave most characters banished or at least smarting, being able to instantly challenge can be a hugely effective way of shutting down a troublesome character on the other side of the table - especially if your opponent thinks theyll have at least a turn to respond to any characters you play before they have a chance to attack
Weakness and Resistance This is all well and good, but why should you care what a Pokemon's type is
Theres a sub-theme of dealing damage for instants and sorceries with GuttersnipeGuttersnipe and Thermo-AlchemistThermo-Alchemist, but with only 22 instants and sorceries in the deck, its not exactly a reliable strategy
It will start small but be built up after testing is handled with real players
Phenax, God of Deception Walls and big-butt creatures mill opponents under Phenax, God of Deception