Forgotten Cave (Onslaught) — Market vs Foil: which is worth more?
Forgotten Cave (Onslaught) value — Market $0.26 vs Foil $10.03. Foil sells for 38.58× Market (+3758%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$0.26→$10.03
Foil sells for 38.58× (+3758%) the Market price — a $9.77 difference per card.
Is complete worth it?
Foil $10.03 vs Market $0.26 — a $9.77 premium (+3758%). 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).