Cobalion is card #74 of 114 in Steam Siege (2016), a Rare illustrated by kirisAki. At about $0.74 it is the #43 most valuable card in the set. In a Steam Siege booster it turns up about once every 42 packs. It is one of 18 Cobalion cards printed so far.
2011BW Black Star Promos
2013Plasma Storm
2016Steam Siege
2018Lost Thunder
2021Chilling Reign
2022Silver Tempest
2025Black Bolt
2026Chaos Rising

















See the full Steam Siege card list
An ungraded Cobalion from Steam Siege sells for about $0.74. A PSA 10 is worth more, roughly $3.70 by our estimate, and a PSA 9 around $1.70.
It is a Rare, and it shows up about once every 42 Steam Siege packs.
kirisAki 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.