Wyndon Stadium (Vivid Voltage 161/185)

Rules

Whenever either player plays a Pokémon VMAX from their hand to evolve a Pokémon V during their turn, heal 100 damage from that Pokémon.

This Stadium stays in play when you play it. Discard it if another Stadium comes into play. If a Stadium with the same name is in play, you can't play this card.