pokemon sylveon card VMAX – Japan Pop Mart Psychic Psychic Precious Touch Attach an Energy card from your hand to 1 of your Benched Pokémon Sylveon ex 156/131 — Prismatic

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You generally need some sort of Surveil engine rolling in order to do this

While taking a card from your opponent's hand is great, targeted discard give you the additional value of seeing your opponent's entire hand, which allows you to play more efficiently, since you know which cards your opponent is likely to play over the coming turns

Gretchin are clearly Goblin analogues