one piece card game rayleigh Silvers SP OP-09-005 R ‐ Mercari Japan: Shop from Japan variation to centering ST32-004] Silvers Rayleigh : r/OnePieceTCG

Im not sure if any Blue decks are doing that at the moment, but if Wizards creature a Blue bomb with an enter the battlefield text you can bet this card will be in the card list

How to use it : Stabilize the board, then drop Hades to delete their best piece and change tempo in your favor

This is a format changer in the cube although I missed it at first and is quite possibly the best spell (not dork just to clarify that) to see print since Cryptic Command and certainly one of the top five spells to be in the Modern format

It isnt the case that untapped creatures can never attack, but a creature is usually tapped if it is attacking

And X=2 already gives you Ghostly Flicker or Displace efficiency