Imperial Fists Devastator

Vigilance, defender, first strike
{t}: this creature deals X damage to target creature
where X is the number of creatures you control
Masters of Defense: whenever this creature takes damage, minus the amount of damage by 2 to a minimum of 0
{2}{w}{u}{t}: creatures you control lose defender
until end of turn and gain +1/+1, haste and
doublestrike until end of turn