Short answer: Grass Energy as a single is the statistically smarter choice. Below you'll find the single price, pull rate, and how many Crown Zenith packs you need for realistic odds.
Recommendation
Buying the single is statistically better
For a 50% chance to pull this card you need roughly 911 packs. That costs around 15669 €, while the single price is 0.00 €.
Probability, pack count, and cost compared to buying the single.
Chance
Packs
Pack Cost
Diff vs. Buy
50% Chance
911
15669 €
+15669 €
75% Chance
1821
31321 €
+31321 €
90% Chance
3025
52030 €
+52030 €
99% Chance
6050
104060 €
+104060 €
Buy vs. Pull Analysis for Grass Energy
If you specifically want Grass Energy from Crown Zenith, buying the single is the reliable path. A booster currently costs 17.20 €, but the pull rate is only 0.076% per pack. Even the 50% threshold sits at 911 packs.
Packs can still be fun if you want multiple cards from the set or if the opening experience itself is the value. As a pure price decision, pullrates.gg always compares the cost of getting one specific card against its market price as a single.
FAQ about Grass Energy from Crown Zenith
Should I buy Grass Energy as a single?
Grass Energy as a single is the statistically smarter choice.
How many Crown Zenith packs do I need for Grass Energy?
For a 50% chance you need about 911 packs, for a 90% chance about 3025 packs.
What is the pull rate of Grass Energy in Crown Zenith?
The pull rate is 0.076% per booster, roughly 1 out of 1314 packs.
Why is buying the single often cheaper?
With rare cards, opening packs means paying for many unsuccessful pulls. Buying the single removes that risk and gives you exactly the card you want.