Heroic Intervention (Core Set 2021) — Market vs Foil: which is worth more?
Heroic Intervention (Core Set 2021) value — Market $16.72 vs Foil $16.77. Foil sells for 1× Market (+0%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$16.72→$16.77
Foil sells for 1× (+0%) the Market price — a $0.05 difference per card.
Is complete worth it?
Foil $16.77 vs Market $16.72 — a $0.05 premium (+0%). 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).