one piece card game royal blood op 10 Booster Box 6 Special cards One Piece OP10 Royal Blood

While other cards over the years have featured effects similar to this (mythic rare Zur, Eternal Schemer from Dominaria United comes to mind), Opalescence was the first to do it en masse for enchantments, and, due to its novelty and being first on the scene, it clocks in with a price point approaching $30

To close things out, lets take a look at Ruthless Technomancer

Its an effective commander, though, and my personal zombie legend of choice

Two land drops (or one Fabled Passage) and this is already above rate as a 2/3 for one mana

In fact, I would say that there are some situations where you should be playing these cards

It's also unclear why the products are releasing this week -- six months after the event