I fixed it!

, Sacrifice this artifact: Add three mana of any one color.

Enchant creature All damage that would be dealt to you is dealt to enchanted creature instead.

Whenever this creature is dealt damage, it deals that much damage to you.

Enchant permanent Enchanted permanent has indestructible. (Effects that say "destroy" don't destroy that permanent. A creature with indestructible can't be destroyed by damage.)

(: Add .)