Master Chief

Hexproof, First Strike, Vigilance, Uncounterable, and protection from non-human creatures.
At the beginning of combat, for each Equipment attached to Master Chief deal 1 damage to target creature.
{2}{w}{r}{t} Create a 4/4 Spartan with First strike.
{t} Sacrifice a Spartan, destroy target permanent, its controller gains life equal to its CMC.