Once during your turn, if this Pokémon is in the Active Spot, you may discard a Basic Water Energy card from your hand in order to use this Ability. Place 6 damage counters on 1 of your opponent's Pokémon.
Attacks
120+Ninja Spinner
You may put a Water Energy attached to this Pokémon into your hand and have this attack do 80 more damage.
How much is Mega Greninja ex #100/86 worth?
A raw copy of Mega Greninja ex #100/86 (Chaos Rising, 2026) is worth about $8.20 right now, based on the latest market data from November 2, 2026.
Grading changes the math on this one: a PSA 10 is valued around $87.61, roughly 10.7x the raw price, while a PSA 9 sits near $36.52. 184 copies have been graded to date, and 80% 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.