Crystal Beast Emerald Tortoise [FOTB-EN003] Common Skill/Field Spell Cannot be Tributed by card

Cannot be Tributed by card effects while face-up on the field

Change the attacking monster to Defense Position

destroy both it and this card

return 1 "SPYRAL Super Agent" from your Graveyard to your hand

Rival Rebounder"

Crystal Beast Emerald Tortoise [FOTB-EN003] Common Skill/Field Spell Cannot be Tributed by cardSet: Force of the Breaker Card type: Effect Monster Rarity: Common Attack: 600 Defense: 2000 Once per turn, you can change 1 of your monsters that attacked this turn to Defense Position. If this card is destroyed while it is in a Monster Card Zone, you can place it face up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.