yugioh japanese promo cards Yu-Gi-Oh Emperor Sem WJMP-JP009 Ultra Rare Japan Unopened Yu Gi Oh Rush Duel

All five prize cards featured alternate artwork, a first for the game

However, the card was on the Restricted List for the OCG's 2010 World Championship Series, hinting at its authenticity

Tails: When a Spell/Trap Card, or monster effect, that targets this card is activated (Quick Effect): This card loses exactly 1000 ATK and you negate the activation, and if you do, destroy it

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The former is a Quick-Play Spell which can stop an opponent's Extra Deck summoning cold, while the latter is responsible for many Spell/Trap recycling effects and is still Forbidden to this day