The Xenomorph

Sentry Turret — When The Xenomorph enters, each opponent creates a colorless Turret artifact token with "{1},
{t}: Deal 2 damage to target creature."

Haste, Vigilance, Partner with Ellen Ripley

Alien Instinct — At the beginning of your second main phase, if a creature you control was dealt noncombat damage, return target creature with mana value equal to or less than the damage dealt.