For each of your Benched Pokémon, search your deck for a Basic Psychic Energy card and attach it to that Pokémon. Then, shuffle your deck.
50×Mega Symphonia
This attack does 50 damage for each Psychic Energy attached to all of your Pokémon.
How much is Mega Gardevoir ex #178/132 worth?
Mega Gardevoir ex #178/132 is a Special Illustration Rare card from Mega Evolution (2025) — today it trades at roughly $159.83 ungraded.
A PSA 10 copy runs about $267.55 and a PSA 9 about $137.00 — a 1.7x premium over raw, so condition and grading costs matter here. 17,100 copies have been graded to date, and 63% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Mega Gardevoir ex has moved over time.