Crystal Beast Emerald Tortoise

Effect Monster · Aqua · WATER · ★3

ATK 600/DEF 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.”