legendary pokemon cards V 5 Card Lot - & Mytical - Random Selection 100 Random Pokemon Cards Pokémon LEGEND (TCG) - Bulbapedia,

Prosperity As efficient as this kind of effect gets, Prosperity does the job

(At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When a player doesn't pay this enchantment's cumulative upkeep, that player exiles all cards from their library

On the flip side, they work well with cards that make creatures unblockable like Alora, Merry Thief and Slip Through Space to snipe unsuspecting players who think theyre safe

Nightmare Kaizo Tier: MS Paint lol haha joke, amirite

If that was all The Ur-Dragon did, it would be pretty good