Advanced format ruling
Oracle of the Sun
Card effect (current official text)If only your opponent controls a monster, you can Special Summon this card (from your hand). When this card on the field is destroyed and sent to the GY: You can add 1 "Fire Ant Ascator" or "Supay" from your Deck to your hand.
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.