sword art online -alicization- vol.2 booster box Vol. 2 UEX06BT Union Arena: [UEX06BT] Sword Art

The set also debuts: Mega Pyroar ex Fire-type roaring back into competitive play Mega Floette ex Fairy-type evolution of a fan favorite Mega Dragalge ex Dragon/Poison dual-type Greninja's massive popularity (consistently a top-3 most-popular Pokmon in fan polls) means demand for Chaos Rising boxes will significantly outpace Perfect Order, the previous Mega Evolution release

Unless it has haste, of course

As a bonus, it facilitates more effective use of Electric Jellyfish and Loading

What is a Constructed format

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It outranks the set's regular full-art EX and Mega cards in both rarity and demand, and it's the card the whole set is known for