The themes clear: flames consume plants and warp steel, so Fire cards are perfect for shredding those strategies
Banishing Knack + Mirran Spy + Ornithopter Love the low costs on this one, begin with Mirran Spy and Ornithopter in play, cast Banishing Knack and target Mirran Spy
Each special condition has a unique token or orientation associated with it
Bonus Slot: Ambitious Augmenter One other card I would keep an eye on is [[Ambitious Augmenter]]
Hardened Academic Hardened Academic is substantially better than random creatures that grow when cards leave the graveyard because its counters can go anywhere, so you gain great flexibility on top of a cheap threat
This leaves collectors using original Game Boy or Game Boy Advance hardware, secondhand cartridges, or existing 3DS downloads as the only legitimate way to play the originals