Advanced format ruling
Green Baboon, Defender of the Forest
Card effect (current official text)If this card is in your hand or Graveyard when a face-up Beast-Type monster you control is destroyed and sent to the Graveyard (except during the Damage Step): You can pay 1000 Life Points; Special Summon this card.
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.