Kaboom! (Onslaught) — Market vs Foil: which is worth more?
Kaboom! (Onslaught) value — Market $0.49 vs Foil $12.30. Foil sells for 25.1× Market (+2410%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$0.49→$12.30
Foil sells for 25.1× (+2410%) the Market price — a $11.81 difference per card.
Is complete worth it?
Foil $12.30 vs Market $0.49 — a $11.81 premium (+2410%). 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).