rillaboom pokemon card value VMAX - SV106/SV122 Card Number / Rarity Rillaboom VMAX (Secret) - SWSH02:

The standard Target return policy window

While it has a high base casting cost, since you'll have a lot of historic permanents, you'll be able to cast it for low mana, sometimes even for free

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

#12 I love the art that sparks weird f**ked-up banter, an bought people into conversation, and none has done better than my glove-sniffing compadre Grim Flayer December 18, 2021 2:08 a.m

Turning creatures face up is a special action you can take whenever you have priority, so you can attack with your creatures face down and turn them up after blockers are declared

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