Ninja Boy
Steam Siege · #103 · League Cup (Staff)
IDX$1.85
STALE · AS OF 2026-08-06
MONARK BLEND
TCGPLAYER · THIS VARIANT
NO DATA
EBAY SOLD · ALL VARIANTS
MED$1.85
RANGE$0.99–$4.99
STALE · AS OF 2026-07-23
6 SALES · 42D · AS OF 2026-07-23
AS OF 2026-08-06
where to buy
affiliate links — monark may earn a commission
compare finish prices · 4compare ▾
- Normal$0.14$0.10–$0.20—· 0.0% · 7d
- Reverse Holo$0.41$0.29–$0.42×2.9· 0.0% · 7d
- League Cup (Staff)——
- League Cup——
tcgplayer market · price · range · vs base · 7-day move
card data
- RARITY
- Uncommon
- TYPE
- Trainer · Supporter
- ILLUS
- Megumi Mizutani
price summary
Ninja Boy (League Cup (Staff)) from Steam Siege #103 is worth $1.85 — the MONARK BLEND consensus as of 2026-08-06. eBay sold median across all finishes of the card is $1.85 from 6 sales in the 42-day window to 2026-07-23. monark prices each finish separately. This card has 4 tracked finishes: Normal · Reverse Holo · League Cup (Staff) · League Cup.