Unit Energy GrassFireWater
Ultra Prism · #170/156 · Rare Secret · 2018
Price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-17
Population data from PriceCharting, updated monthly.
Auction sale integrity
NewGraded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →
How much is Unit Energy GrassFireWater #170/156 worth?
Right now (November 6, 2026) the going rate for an ungraded Unit Energy GrassFireWater #170/156 from Ultra Prism is about $19.20.
Grading changes the math on this one: a PSA 10 is valued around $87.52, roughly 4.6x the raw price, while a PSA 9 sits near $30.01. 41 copies have been graded to date, and 27% 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.
