Thoughtseize

Thoughtseize

Special1 version from Amonkhet Invocations · all sets

Cheapest version$105.71TCGplayer market price
View on Scryfall

Hour of Devastation2017

Draft Booster 1 in 3,093 packsany version · 1.2% per box of 36
VersionPriceDraft Booster
Borderless (Amonkhet Invocations) · Foil #45 $105.711 in 3,093 packs1.2% per box

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