Unown (H) (H/28) [Unseen Forces] Ultra Rare You may do 20 more

You may do 20 more damage for each Water Energy attached to this Pokemon

and the other two obtainable from the box toppers

Arriving in booster packs

you get the mysterious Marshadow as both a foil promo card and an awesome sculpted figure

Unown (H) (H/28) [Unseen Forces] Ultra Rare You may do 20 moreCard Number Rarity: H 28 Holo Rare Card Type HP Stage: Psychic 60 Basic Card Text: Poke POWER Shuffle Once during your turn (before your attack), you may search your deck for another Unown and switch it with Unown. (Any cards attached to Unown, damage counters, Special Conditions, and effects on it are now on the new Pokemon.) If you do, put Unown on top of your deck. Shuffle your deck afterward. You can't use more than 1 Shuffle Poke Power each turn.