Ninja Boy
Steam Siege · #103 · Uncommon · Mid-era · 2016
Pulling Ninja Boy in a Steam Siege pack is about 100% (Uncommon slot). Published, provably-fair odds you can verify.
Every card is real: keep it in your vault, ship it home, or sell it back instantly at 85% of market value. See how the odds are provable →
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Ninja Boy market value
Ninja Boy (Steam Siege #103) has a live market value of 15 Sparks, about $0.15 at the latest market price. That market price for Ninja Boy was last updated on October 19, 2026. On PackLab one Spark equals one cent of card value, so 15 Sparks is the figure shown for Ninja Boy in the set browser, on this page and in your vault after you pull it. If you pull Ninja Boy, you can sell it back instantly at 85% of market value, which comes to 12 Sparks at the current price. Sparks have no cash value and are only used on PackLab. A Steam Siege pack is 925 Sparks; this card's market value is 15 Sparks. Among the 116 priced cards in Steam Siege, Ninja Boy is the 111th most valuable. The median priced card in the set is 29 Sparks, and the most valuable card is Gardevoir-EX at 10,873 Sparks.
How to pull Ninja Boy
In a Steam Siege pack, the Uncommon slot shows an Uncommon card about 100% of the time. Ninja Boy is one of 30 priced Uncommon cards in Steam Siege that can fill that result, so landing this exact card is less likely than the rarity figure. These are the published odds for Steam Siege: the full slot-by-slot table is on the Steam Siege page, and the odds page explains how each set's rates are built. Every Steam Siege box commits its card order before the first pack is sold, so each rip can be checked once the box sells out.
Rarity and era
Ninja Boy is an Uncommon card, number 103 in Steam Siege. Steam Siege lists 30 Uncommon cards out of 116 cards in total, about 26% of the set list. Among the 30 priced Uncommon cards, market values run from 14 Sparks to 163 Sparks, and Ninja Boy ranks 28th of them. Steam Siege is part of the XY series and sits in the Mid-era era of the PackLab catalog. Mid-era sets sit between the early classics and the current releases, and sealed packs from them are harder to find today.
About Steam Siege
Steam Siege was released on August 3, 2016 and lists 116 cards on PackLab, 116 of them with a live market price. Together, the priced cards in Steam Siege carry a combined market value of 40,946 Sparks. By market value, Ninja Boy sits just below Greedy Dice (15 Sparks) and just above Rufflet (15 Sparks).
