one piece four emperors booster box New and Existing Cards Can Be Combined to Build Powerful Decks OP09 Four Emperors Booster Box
Description
The flavour text is also over-the-top, which is fun
Cavern Harpy is a freakin' Harpy
It will resolve before the spell that caused it to trigger, even if that spell has been countered or otherwise left the stack
Sniping a non-creature permanent is a nice addition here, reminding me a bit of Star of Extinction with more flexibility
