Don't apply Psychic Weakness when Pokémon (both yours and your opponent's) take damage from attacks.
Attacks
Star Search
Search your deck for an Energy card and attach it to 1 of your Psychic Pokémon. Then, shuffle your deck.
100Star Shield-GX
Prevent all effects of attacks, including damage, done to this Pokémon during your opponent's next turn. (You can't use more than 1 GX attack in a game.)
How much is Jirachi-GX #79/236 worth?
Jirachi-GX #79/236 is a Rare Holo GX card from Unified Minds (2019) — today it trades at roughly $13.82 ungraded.
Grading changes the math on this one: a PSA 10 is valued around $386.00, roughly 27.9x the raw price, while a PSA 9 sits near $34.00. 542 copies have been graded to date, and 56% 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 Jirachi-GX has moved over time.