Short answer: Umbreon V as a single is the statistically smarter choice. Below you'll find the single price, pull rate, and how many Brilliant Stars packs you need for realistic odds.
Recommendation
Buying the single is statistically better
For a 50% chance to pull this card you need roughly 135 packs. That costs around 1103 €, 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
135
1103 €
+1103 €
75% Chance
270
2206 €
+2206 €
90% Chance
448
3660 €
+3660 €
99% Chance
895
7312 €
+7312 €
Buy vs. Pull Analysis for Umbreon V
If you specifically want Umbreon V from Brilliant Stars, buying the single is the reliable path. A booster currently costs 8.17 €, but the pull rate is only 0.513% per pack. Even the 50% threshold sits at 135 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 Umbreon V from Brilliant Stars
Should I buy Umbreon V as a single?
Umbreon V as a single is the statistically smarter choice.
How many Brilliant Stars packs do I need for Umbreon V?
For a 50% chance you need about 135 packs, for a 90% chance about 448 packs.
What is the pull rate of Umbreon V in Brilliant Stars?
The pull rate is 0.513% per booster, roughly 1 out of 195 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.