System Alpha v1.0PocketVault
// yugioh
Swallowtail Butterspy
War of the Giants: Round 2 · #EN047
CommonEffect MonsterDARKWarrior
// market value
as of 2026-06-16
Raw
$1.22
PSA 9
$1.95
est.
PSA 10
$3.90
est.
Graded tiers marked est. are calculated from raw market price using rarity-based multipliers until a verified sold-comp is available.