YuGiOh Force of the Breaker Crystal Beast Emerald Tortoise FOTB-EN003 Common
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.