op 09 one piece booster box Card Game: OP-09 Four Emperors (English) What’s more Japanese One Piece Emperors in

This highly restricted distribution model is the primary driver of their high value

I dont know if its because people are playing less creature-heavy combat decks in general or players are on the lookout for more fills several slots type cards, but prevent all combat damage this turn for a singular mana is still alright in my book

It went relatively viral due to other parties reactions who were working on [CT scanning trading cards] in secret, [and then] also releasing their findings

Theres a practical side too

The downside is, unless you actively want to be dumping your hand into the graveyard, you need creatures with high power in order to make Greater Good worth it