vivid voltage booster box cards Pokemon Sword & Shield Pack the majesty Pokemon Sword & Shield Vivid

This is also a clean answer to Stormbound Geist, the mirror-breaker for most blue decks

[spoiler=Level 1s] Bloom immediately jumps out at me, considering how much Lonefire is run in Synchro/Fusion spamming decks these days (either for Spore or Predaplant engine respectively) and now that it's searchable...and, to be honest, the second effect does help if you make a misplacement, and potentially opens up the room for Link plays in both of those Decks

But nowadays with cards like Voltaic Key ($2), Time Vault is incredibly busted

PSA being the oldest and "most reliable" method of dummy proofing their new system

Must...avert...gaze