Crystal Beast Emerald Tortoise

[Aqua/Effect]

Once per turn: You can target 1 monster you control that attacked this turn; change that target to Defense Position. If this face-up card is destroyed in a Monster Zone, you can place it face-up in your Spell & Trap Zone as a Continuous Spell, instead of sending it to the GY.

ATK/600 DEF/2000

STRUCTURE DECK: LEGEND OF THE CRYSTAL BEASTS