Crystal Beast Emerald Tortoise [FOTB-EN003] Common

Set: 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.