Cards › Steam Siege › #103
Ninja Boy
- Set
- Steam Siege
- Number
- 103
- Illustrator
- Megumi Mizutani
Ninja Boy - Steam Siege
Ninja Boy is a Uncommon Trainer card from the Steam Siege Pokémon TCG set, released 2015, illustrated by Megumi Mizutani. It sits at card number 103 in the Steam Siege checklist and the Supporter subtype.
In collector terms, this is an uncommon card, pulled roughly 3 per pack. Current TCGplayer market price tops out at $0.36 across 2 printed variants (Normal, Holofoil, Reverse Holo, etc.), with every variant's low / mid / high and direct prices listed below.
Prices USD 13 hours ago · 2026-04-26 08:12 UTC
Market Price History
Ninja Boy FAQ
Click any question to expand. Every answer pulls from this card's live Catchinary data.
How much is Ninja Boy from Steam Siege worth?
Current TCGplayer market price is $0.36 across 2 variants. See the full variant breakdown above for low / mid / high / market / direct prices. Graded estimates (PSA 10, PSA 9, CGC Perfect) are shown when available.
How rare is Ninja Boy?
This printing is an uncommon card, pulled roughly 3 per pack (the card is labeled "Uncommon" on the checklist). This is the only printing of Ninja Boy currently indexed.
Who illustrated Ninja Boy?
Megumi Mizutani illustrated this card. See Megumi Mizutani's full Catchinary page for every Pokémon card they've drawn, grouped by set with current market prices, career stats, and alt-art highlights.
When was Ninja Boy released?
The Steam Siege set released in 2015. This specific card (#103 in the set) has been tradeable on TCGplayer and Cardmarket since launch.
Where can I buy Ninja Boy?
Click Buy on TCGplayer above for US listings, or the Cardmarket link for European listings. Both feeds update multiple times per day. For long-term holds, consider graded copies (PSA / CGC) which trade separately and usually at a premium over raw.
Is this card in Standard format?
Legal formats rotate as new sets release - see the Steam Siege set page for current Standard / Expanded / Unlimited status. Catchinary tracks 0 cards across every English-language set, so if this one has rotated out there's almost certainly a current-format reprint you can check.