Wurmcoil Engine

Wurmcoil Engine

Mythic1 version from Kaladesh Inventions · all sets

Cheapest version$137.25TCGplayer market price
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Aether Revolt2017

Draft Booster 1 in 3,477 packsany version · 1.0% per box of 36
VersionPriceDraft Booster
Kaladesh Inventions · Foil #54 $137.251 in 3,477 packs1.0% per box

"Any version" adds up the chances of each version, so it is a close estimate.