Misty & Lorelei (Cosmic Eclipse 199/236)

Rules

Search your deck for up to 3 Water Energy cards, reveal them, and put them into your hand. Then, shuffle your deck.

When you play this card, you may discard 5 other cards from your hand. If you do, during this turn, your Water Pokémon can use their GX attacks even if you have used your GX attack.

You may play only 1 Supporter card during your turn (before your attack).