Necrotic Sliver

Uncommon2 versions from Planar Chaos · all sets

Cheapest version$0.54TCGplayer market price

Planar Chaos2007

Draft Booster 1 in 20 packsany version · 84% per box of 36

VersionPriceDraft Booster

Regular #159 $0.541 in 20 packs84% per box

Foil #159 $8.851 in 978 packs3.6% per box

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