Advanced format ruling
Mother Spider
Card effect (current official text)If you have only Insect-Type monsters in your Graveyard, you can send 2 face-up Defense Position monsters your opponent controls to the Graveyard and Special Summon this card from 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.