World Legacy Key
World Legacy Key is a Continuous Spell in the Mekk-Knight archetype, first released in 2018 in Extreme Force. It has 2 printings across 2 sets (Rare). The cheapest copy is EXFO-EN057 Rare at $0.28; the most valuable is MP18-EN206 Rare at $0.52. In the TCG it is currently unlimited (3 copies).
Market price · TCGPlayer
Updated Oct 1, 2026
$0.28 – $0.52
2 printings priced
Type
Continuous
When this card is activated: You can target 1 of your banished "Mekk-Knight" monsters or "World Legacy" cards; add it to your hand. Negate any opponent's Trap Card effect that activates in the same column as a "Mekk-Knight" monster you control.
Appears in 2 expansions
Printings (2)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Extreme Force | EXFO-EN057 | Rare | $0.28 | |
| 2018 Mega-Tins Mega Pack | MP18-EN206 | Rare | $0.52 |
World Legacy Key: FAQ
How much is World Legacy Key worth?+
World Legacy Key currently sells for $0.28 – $0.52 on TCGPlayer, from $0.28 for EXFO-EN057 up to $0.52 for MP18-EN206. The exact value depends on the printing, rarity, edition and condition — scan the card with YuScan to see the price of your copy.
Which sets was World Legacy Key printed in?+
World Legacy Key appears in 2 sets: Extreme Force, 2018 Mega-Tins Mega Pack.
Is World Legacy Key legal in tournaments?+
On the current TCG Forbidden & Limited List, World Legacy Key is unlimited (3 copies).
What is the passcode of World Legacy Key?+
The 8-digit passcode printed on World Legacy Key is 02930675.
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