Mallow & Lana (Cosmic Eclipse 198/236)

Switch your Active Pokémon with 1 of your Benched Pokémon. When you play this card, you may discard 2 other cards from your hand. If you do, heal 120 damage from the Pokémon you moved to your Bench.

Card rule

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