As long as Rayquaza has any Holon Energy cards attached to it, ignore the effect of Rayquaza's Lightning Storm attack.
Attacks
10×Power Blow
Does 10 damage times the amount of Energy attached to Rayquaza.
70Lightning Storm
Put 7 damage counters on Rayquaza.
How much is Rayquaza δ #13/113 worth?
Right now (November 7, 2026) the going rate for an ungraded Rayquaza δ #13/113 from Delta Species is about $349.99. Across the 2 printings we track, copies run anywhere from $200.00 to $2,437.98 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $19,150.13, roughly 54.7x the raw price, while a PSA 9 sits near $1,613.00. 1,034 copies have been graded to date, and 8% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.