rillaboom pokemon card value VMAX - SV106/SV122 Holo Rare Card Type Rillaboom VMAX (Secret) - SWSH02:

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Mister Fantastic's last ability targets a triggered ability that is on the stack and creates two additional instances of that ability on the stack

So unless you played in the Kyoto-based tournament in March 2016, theres no way to get it unless youre willing to pay $260 or more on Card Market for the single

It does hurt that we cant pair this with Scoop Up Net [Rebel Clash], because it just rotated out of Standard, but maybe we can pair this with Penny [Scarlet and Violet]

This alternate card is also incredibly eye-catching due to how stylistic the overall art piece is

Another type of online resource for determining card value is collector forums