Rottenmouth Viper (Bloomburrow Promos) — Market vs Foil: which is worth more?
Rottenmouth Viper (Bloomburrow Promos) value — Market $7.72 vs Foil $9.23. Foil sells for 1.2× Market (+20%). Prices updated September 2026.
Medians of real sold listings per condition, updated September 2026 — how we compute values.
Market vs Foil
$7.72→$9.23
Foil sells for 1.2× (+20%) the Market price — a $1.51 difference per card.
Is complete worth it?
Foil $9.23 vs Market $7.72 — a $1.51 premium (+20%). If you're holding the box and manual, completing a loose copy pays when that premium beats what the missing pieces cost you.
Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).