Crystal Beast Emerald Tortoise [SGX1-ENF05] Common

Set: Speed Duel GX: Duel Academy Box 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 send