Question 1

What is the current market value of Ninja Boy #103?

Accepted Answer

Latest market snapshots place Ninja Boy in Steam Siege at roughly $0.14. Week-over-week change is limited (+1.2%), indicating short-term stability. It now sits 6.3% above its 30-day average of $0.13. The 90-day window shows a floor near $0.11 and a peak around $0.14 (21% total spread), which maps to moderate-volatility movement. This version is categorized as Uncommon.

Question 2

Is Ninja Boy #103 a good investment or collectible?

Accepted Answer

Market structure summary: The latest week is near flat (+1.2%), suggesting consolidation rather than breakout behavior. The 90-day range spans $0.11 to $0.14 (21% spread), which indicates moderate-volatility behavior. Current value is 6.3% above its 30-day reference ($0.13). Without a consistent graded comp in the current snapshot, live listings are still required for reliable condition-based valuation.

Question 3

What is Ninja Boy #103 and what makes it special?

Accepted Answer

In 2016, Steam Siege introduced this print of Ninja Boy. Its card type is Trainer. The rarity label is Uncommon. This gives collectors a clear identity footprint for the print. Card subtype classification is Supporter. The card text reads: Choose 1 of your Basic Pokémon in play. Search your deck for a Basic Pokémon and switch it with that Pokémon. (Any attached cards, damage counters, Special Conditions, turns in play, and any other effects remain on the new Pokémon.) Shuffle the first Pokémon into your deck. You may play only 1 Supporter card during your turn (before your attack). No explicit attack names are available in the loaded card metadata. Uncommon-tier prints usually balance accessibility with moderate collector demand.

Question 4

What set is Ninja Boy #103 from, and when was it released?

Accepted Answer

Steam Siege was released in 2016. Steam Siege is grouped under the XY era. With 116 listed cards, this is a mid-size set by modern TCG standards. As of 2026, the set is 10 years old and now falls into an established back-catalog period. Ninja Boy (#103) is one of the Uncommon prints in this expansion.

Ninja Boy #103

Price history

All Ninja Boy cards

Card details