one piece op 09 booster box case Trading Card Game: Emperors in the New World Display Luffy and Buggy finally appear alongside Shanks and teach as the new Four Emperors Op-09 Booster Box Case |

Shard of the Nightbringer The Shard of the Nightbringer isnt a cheap card

In addition, Tymna brings white mana to the deck, allowing for the inclusion of more powerful combos

The very lands of Balduvia are alive. Arna Kennerd, skyknight Illustrated by Mark Tedin Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp

Basically, at any given rarity (and considering the era of the card in question), we must compare its current price to other cards at the same rarity (and ideally set) that have already peaked more than the others

Cost reductions are really helpful in doing that too