grumpig pokemon card 030/054 Holo Rare 2003 Near MINT Japanese u476 Colorless Artist Grumpig card - AD 17/81

While various booster sets and expansions have seen a price hike this month, the 151 Booster Bundle has seen "an aggressive, short-term spike a 93.48% spike in the past three months, and a massive 33.35% jump in the last 30 days alone," according to IGN

Its available in every format except for Pauper and Penny, so have fun

However, what we can do is look at heavily played Standard cards, and see when (or even if) their impending rotation caused people to sell on a card

The play pattern here is casting it on the back half, moving its counters to another artifact creature, then converting it into Blaster, Combat DJ, who can then pick up extra +1/+1 counters and flip to move them around again

Chart shows the price of Scovillain [Cosmos Holo] #25 at the end of each month going back as long as we have tracked the item.