Island

Island

Common1 version from The List · all sets

Cheapest version$0.47TCGplayer market price
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Strixhaven: School of Mages2021

Set Booster 1 in 1,200 packsany version · 2.5% per box of 30
VersionPriceSet Booster
The List #JMP-50 $0.471 in 1,200 packs2.5% per box

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