System Alpha v1.0PocketVault
// yugioh
Mysterious Guard
Speed Duel: Battle City Box · #EN150
CommonFlip Effect MonsterEARTHSpellcaster
// market value
as of 2026-06-15
Raw
$1.08
PSA 9
$1.73
est.
PSA 10
$3.46
est.
Graded tiers marked est. are calculated from raw market price using rarity-based multipliers until a verified sold-comp is available.