Advanced format ruling
Giant Axe Mummy
Card effect (current official text)You can flip this card into face-down Defense Position once per turn during your Main Phase. If the ATK of a monster on your opponent's side of the field that attacks this card in face-down Defense Position is lower than the DEF of this monster, the attacking monster is destroyed.
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.