The drawback is very obvious: Once your O-Card gets destroyed, your opponent gets back, which was lost
Thats it
Collector Boosterexclusive retro frame cards: Common: Shambling Shell Uncommon: Sphere of Safety, Aetherize, Narcomoeba, Turnabout, Creeping Chill, Darkblast, Shattering Spree, Perilous Forays, Wilderness Reclamation, and Magewright's Stone Rare: Rest in Peace, Gigantoplasm, Pack Rat, Supreme Verdict, Pithing Needle, Karn's Bastion, and Thespian's Stage Mythic rare: Enter the Infinite, Niv-Mizzet Reborn, and Maze's End Pack Rat The default frame Pack Rat is intentionally not included in Ravnica Remastered products
But Chatterfang is out, so I make another two squirrels
Next Steps: Collecting Magic: The Gathering Final Fantasy Like any good Warrior of Light, those humble beginnings can set you on a path to great adventure (and spending a lot of your hard-earned Gil on shiny things)
It seems obvious when I say it like that, but intended use is really important and can sometimes get overlooked