Effect Monster
$1.03
Unlimited
Machine King Prototype
This card gains 100 ATK and DEF for each Machine-Type monster on the field, except this card.
TCG Banlist Status
Unlimited
Max copies: 3
Market Price (TCGplayer)
$0.18
Reference market for North America
Other Marketplaces
Cardmarket
$0.14
eBay
$0.99
Amazon
$1.03
