Sans, Underground Judge

Haste,Vigilance.When Sans blocks,he doesn't take damage.His toughness can go down to
-6 without dying.He may attack up to 4 times during a declare attackers step.When an opponent targets Sans with a spell that would deal damage,you may tap him to counter that spell.{t}:Tap target creature,deal 3 damage
to it. You feel like you're gonna have a bad time.