When a Siege is defeated, it is exiled, and its owner gets to play the reverse side (which could be a Creature, Artifact, or some other MTG card type) for free at Instant speed.
Is it worth it for One Piece TCG
The combination of both is a potent intoxicant, as any player of Akroma the First will attest
Playing spells that arent my own is something several of my decks already try to do when I have room left for some odd pet cards
This card has lovingly been nicknamed "Sunbreon," the Prismatic Evolutions answer to the extremely popular, rare, and pricey "Moonbreon" (the Umbreon VMAX (Alternate Art Secret) from Evolving Skies)
Id bet the sideways layout is intended to allow both players to read the card, as your opponent(s) will play a role in the presence of Battles on the battlefield