Advanced format ruling
Desertapir
Card effect (current official text)FLIP: Flip 1 face-up monster on the field into face-down Defense Position. You cannot select "Desertapir".
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.