Sire of Insanity

Rare4 versions · in boosters of 1 set · in 2 Secret Lair drops

Cheapest version$0.49TCGplayer market price

Dragon's Maze2013

Draft Booster 1 in 39 packsany version · 61% per box of 36

VersionPriceDraft Booster

Foil #104 $4.591 in 1,200 packs3.0% per box

Regular #104 $0.491 in 40 packs60% per box

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

DropVersionPriceIn the drop