Aradesh, the Founder [Fallout]

Set: Fallout Type: Legendary Creature — Human Soldier Rarity: Rare Cost: {2}{W} Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)Whenever a creature you control attacks, if it enlisted a creature this combat, the creature that attacked gains double strike until end of turn. If that creature's power is 4 or greater, draw a card.