grand archive mercurial heart booster box TCG Altered Edition Set Sealed English Grand Archive: Mercurial Heart Alter

Its themed around Mew, but introduces a bunch of new cards that seem very deliberately designed to screw with the current meta

With the addition of effect destruction resistance and target resistance, Toon transforms into a (almost) invincible monster

It was exclusively distributed through Mythical Pokemon Collection boxes, each containing 2 Generations packs alongside a promo card and figure

Card Text If you control this Special Summoned card: You can target 1 Effect Monster on the field

To solve You've cast four or more instant and sorcery spells this turn

Great for aggro, landfall, tokens, +1/+1 counter decks all of those are mega-popular in multiplayer so grab this last entry and then add it to like half of your Green decks moving forward