Opening Chilling Reign Premium Checklane Blister [Decidueye] returns about $5.18 in card value against its $12.00 price — roughly $0.43 back per dollar spent. On current prices, you lose money on average by opening it.
See every card and pull rate in Chilling Reign
How expected value is calculated — card value only, from published pull rates and daily market prices.
Chilling Reign Premium Checklane Blister [Decidueye] on TCGplayer