op-10 booster box ONE PIECE TCG: Japanese Pack (X8 PACKS) The characters in this display are One Piece TCG: Royal Blood

Rapidash and Ponyta already have a corner on the flaming horse market, so theres definitely room for this mermaid companion

"Dragon Lady" attacks "Big Shield Gardna", but Yami Yugi activates his face-down "Mirror Force" to destroy all Attack Position monsters Vivian controls, however Vivian activates "Snowfall Sword" to negate the activation of "Mirror Force" and destroy it

She is an odd one

My first instinct is to throw it into a Samurai and/or Warrior deck and combo it with Raiyuu, Storms Edge, but Commander has a lot of potential ways to keep extending a turn with more phases, and any devoted red player should consider having it in their deck