Advanced format ruling
Reckoned Power
Card effect (current official text)Reveal 1 "Iron Core of Koa'ki Meiru" in your hand. Destroy all face-down Spell and Trap Cards your opponent controls.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.