Ninja Boy
Steam Siege · #103

Ninja Boy

Ninja Boy is a Uncommon Pokémon TCG printing from Steam Siege (#103). Cactaur's latest catalog snapshot shows a TCGPlayer market reference near $0.36 for ungraded copies. The set released in 2016. Compare recent sold listings for the same set, number, and finish before buying.

Steam Siege set collectorsSet completionists UnlimitedExpanded
TCGPlayer market $0.36
Cardmarket trend €0.13
Rarity Uncommon
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Who is this card for?

Ninja Boy suits collectors working on Steam Siege who need the Uncommon slot. Compare listing photos to your target finish; skip impulse buys when variant or wear is unclear. This printing is from Steam Siege.

What is Ninja Boy from Steam Siege?

Ninja Boy is a Trainer card in Steam Siege numbered 103. Ninja Boy from Steam Siege should be evaluated with set context, finish, and condition together. This printing is from Steam Siege. Collector number 103 distinguishes this printing from same-name cards in other sets.

What is Ninja Boy worth today?

Cactaur tracks a TCGPlayer market reference near $0.36 for Ninja Boy. Low and high spread runs $0.15 to $19.98. Per-finish references: Reverse Holofoil: $0.36; Normal: $0.20. This printing is from Steam Siege. Collector number 103 distinguishes this printing from same-name cards in other sets.

SetSteam Siege
Number103
RarityUncommon
TCGPlayer USD$0.36
Cardmarket EUR€0.13
Reverse Holofoil $0.36
Normal $0.20

How collectible is Ninja Boy?

Ninja Boy is listed as Uncommon in Steam Siege. Set collectors, type collectors, and art buyers may value this card differently — confirm variant before paying chase premiums. This printing is from Steam Siege. Collector number 103 distinguishes this printing from same-name cards in other sets.

What are the key details for Ninja Boy?

Catalog fields: set Steam Siege, rarity Uncommon. Illustrated by Megumi Mizutani. Format status: Expanded. Cross-check holo pattern and language when buying online. This printing is from Steam Siege. Collector number 103 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Uncommon.

Cactaur's take

Ninja Boy from Steam Siege should be evaluated with set context, finish, and condition together.

Pros

  • Ninja Boy is catalogued as Uncommon printing in Steam Siege, making set and number verification straightforward.
  • Public market data shows a TCGPlayer reference near $0.36 across finishes (Reverse Holofoil: $0.36; Normal: $0.20).

Cons

  • Raw market prices vary by condition, language, and holo variant — NM estimates are not slab grades.

Verdict: Use $0.36 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

How much is Ninja Boy worth?

Cactaur's catalog shows a TCGPlayer market reference near $0.36 for ungraded Ninja Boy from Steam Siege. Actual value depends on condition, language, and finish such as holo or reverse holo.

What set is Ninja Boy from?

Ninja Boy is listed in Steam Siege (XY) as card #103. Always match both name and collector number because many Pokémon share names across sets.

How rare is Ninja Boy?

Our catalog lists Ninja Boy as Uncommon in Steam Siege. Rarity guides pull rates but does not alone determine price — chase art, demand, and condition matter.

Is Ninja Boy good for collectors or players?

Ninja Boy is primarily a collector reference in Steam Siege. Compare finish and centering if you are buying graded or sealed-collection copies. This printing is from Steam Siege.

What is the difference between holo and reverse holo Ninja Boy?

Finish variants of Ninja Boy carry separate market listings. Reverse Holofoil: $0.36; Normal: $0.20 before buying — sellers often mix up reverse holo and non-holo photos.

Related cards

Trust & data sources. Cactaur displays catalog and market data from pokemontcg.io embedded TCGPlayer/Cardmarket references. Prices change frequently and are not guarantees.

Cactaur does not authenticate cards or guarantee values. Scan your copy in the iPhone app for condition-aware guidance.

Catalog snapshot: 2026-06-16. Last updated: 2026-06-10.