If you apply Pokey's third ability as a replacement effect to rolling a d20, other than the original effect that called for the d20 roll, all other game effects, including replacement effects and triggered abilities, recognize that you flipped a coin rather than rolled a d20
However, our main interest is in the other cards that only work when an opponents character is damaged
General question 15 8920 November 5, 2017 Prices have been going down General general-board 15 1232 July 4, 2018 Waiting to spend my 2000 General question 26 1306 September 23, 2020 Economics Explained - The Pokemon Card Price Boom General general-board 17 1712 November 1, 2020 Has anyone noticed an increase in demand
Pokmon cards are making collectors serious cash
It makes sense, as this card just oozes unga bunga energy: 100 damage was enough to one-shot virtually everything, with only Chansey (if memory serves) capable of facetanking more than a single Fire Spin
The haste ability even lets you leverage living weapons like Batterskull