The Protector

(You may cast an Enchantment Artifact creature as an Enchantment Equipped to target Creature or as an Artifact Creature permanent)
If this is cast as an Enchantment, Enchanted creature has: "When this creature's owner takes damage, this takes that damage instead"
If this is cast an Artifact creature, it has: "When this creature's owner takes damage, this takes that damage instead"