deflect yugioh card Yu-Gi-Oh! - D.D. Designator (IOC-039) - Invasion of Chaos - Unlimited Edition you may cast this spell without paying its mana cost Des Lacooda - Yugipedia

Sidisi, Undead Vizier Perhaps unsurprisingly, Sidisi, Undead Vizier lends itself well to combo shells that rely on Sidisi exploiting creatures to find cards like Ad Nauseam or Doomsday

The main reason I have it at the top of this list is down to how front loaded the card is

That extreme scarcity, combined with their status as tournament trophies, pushes high-grade copies into the $20,000 to $50,000 range, far above ordinary promos

Chart shows the price of Pressured Planet Wraitsoth [Ultra Rare] RA02-EN073 at the end of each month going back as long as we have tracked the item.

Next, why we're reverting these changes now : Ideally, reversion of balance adjustments due to format legality would happen at the same time as the format legality of these cards changesi.e., rotation