Once The Ur-Dragon hits the board, youre cheating dragons into play, drawing cards, and breathing fire on anyone left standing
Whether you chump block with them or they die in board wipes, youre going to end up playing many games where you curve out only to lose your board before you can really get that engine humming along
Amber Prison Boiling Rock Prison Ghostly Prison Hixus, Prison Warden Icy Prison Imprison Imprisoned in the Moon Prison Barricade Prison Break Prison Realm Prison Sentence Prison Term Prisoner's Dilemma Seatower Imprisonment Sigarda's Imprisonment Spectral Prison Static Prison Thought Prison Weary Prisoner You Find Some Prisoners Yukora, the Prisoner
In 2021, I walked into a generic "Collectibles" store in my town with a near-mint Umbreon VMAX (the "Moonbreon" for those in the know)
When this card has no more Magic Counters on it: destroy it
Its both a visual representation of what the card does and a cohesive and immersive way to throw players into the worlds and lore of the game