union arena sword art online booster box Arena: [UE07BT] The cards recreate the world of Sword Art Online UNION ARENA BOOSTER PACK Sword

Seven Trainer cards - including Lysandre and Xerosic from Team Flare - and a Full Metal Dialga-EX card are also available

Approximately 14 copies are believed to exist

That mechanic rewards clever switching plays and makes it a great fit for decks that already use pivot cards like Escape Rope or Switch Cart

R Rare Zolga the Prophet X EARTH Level 4 [ FairyEffect ] ATK 1700 DEF 1200 If you control an EARTH Fairy monster, except "Zolga the Prophet": You can Special Summon this card from your hand, then look at up to 5 cards from the top of each player's Deck

Thanks to the new Foretell mechanic introduced in Kaldheim, you can pay two mana to exile the card from your hand facedown and then pay three mana later to cast it