Sans, Master of Megalovania

Haste, vigilance, protection from everything
Sans, Master of Megalovania can block unlimited creatures.
If you control any other creatures at any time, sacrifice Sans, Master of Megalovania.
Whenever Sans, Master of Megalovania attacks, put 3 poison counters on each opponent.
At the beginning of your upkeep, all opponents remove 1 poison counter and lose 1 life.
"do you wanna have a bad time?" -Sans, to Frisk