one piece booster box op 12 Legacy of the Master OP-12 Japanese has been reflected in cards One Piece Card Game: Legacy

Now imagine it against multiple opponents

You can also get a huge positive mana swing from Soulbright Flamekin

A player who starts with Gateway and builds their confidence in the game before heading out to their LGS is going to be shocked when a Ruby/Amethyst player drops a Queens Castle on the board

But lets say I cheat it out on turn three while there are still four players

Its only good when you have access to a steady stream of card advantage and can be a weak top deck later in the game

Your opponents can just kill Rubinia to get their creature back and, as a creature itself, it's more vulnerable than enchantment-based Mind Control effects