Thankful Whistling Merctica Foil (D Promo Cards) — Market vs Low: which is worth more?
Thankful Whistling Merctica Foil (D Promo Cards) value — Market $13.67 vs Low $7.49. Market sells for 1.83× Low (+83%). Prices updated July 2026.
Medians of real sold listings per condition, updated July 2026 — how we compute values.
Market vs Low
$7.49→$13.67
Market sells for 1.83× (+83%) the Low price — a $6.18 difference per card.
Is complete worth it?
Market $13.67 vs Low $7.49 — a $6.18 premium (+83%). 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).