Counterspell

Uncommon2 versions from Signature Spellbook: Jace · all sets

Cheapest version$4.49TCGplayer market price

Signature Spellbook: Jace2018

Draft Booster in 70% of packsany version · 100% per box of 36

VersionPriceDraft Booster

Regular #4 $4.49in 66% of packs100% per box

Foil #4 $5.471 in 8 packs99% per box

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