Lampent is card #49 of 114 in Steam Siege (2016), a Uncommon illustrated by miki kudo. At about $0.52 it is the #75 most valuable card in the set. In a Steam Siege booster it turns up about once every 9 packs. It is one of 16 Lampent cards printed so far.
2011Noble Victories
2013Plasma Storm
2016Steam Siege
2018Lost Thunder
2019Unified Minds
2022Lost Origin
2024Twilight Masquerade
2026Pitch Black

















See the full Steam Siege card list
An ungraded Lampent from Steam Siege sells for about $0.52. A PSA 10 is worth more, roughly $2.60 by our estimate, and a PSA 9 around $1.20.
It is a Uncommon, and it shows up about once every 9 Steam Siege packs.
miki kudo drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Steam Siege booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.