Advanced format ruling
Desert Protector

Card effect (current official text)This card gains 300 DEF for each Spell and Trap Card on the field. If an Insect-Type monster you control would be destroyed, you can destroy this card instead.
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.