Lone Warrior, Blackmist's Host

Bestow {7}{w} (If you cast this card for its bestow cost,
it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Indestructible, vigilance
Double your life total. This creature's power and toughness is equal to your life total.
Enchanted creature gets +X/+X, where X is your
life total, doubled. It has indestructible and
vigilance.