Rotting Regisaur

Rare1 version from The List · all sets

Cheapest version$1.72TCGplayer market price

Mystery Booster 22024

Draft Booster 1 in 121 packsany version · 18% per box of 24

VersionPriceDraft Booster

The List #M20-111 $1.721 in 121 packs18% per box

Set Booster 1 in 788 packsany version · 3.7% per box of 30

VersionPriceSet Booster

The List #M20-111 $1.721 in 788 packs3.7% per box

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