sans the skeleton

{1}: sans gains indestructible until end of turn.
sans can't be dealt damage and can't have his
toughness lowered until end of turn.
{1}: sans deals 1 damage to target creature
blocking or blocked by it.
{2}{u}: Create a 0/2 colorless skeleton creature
token named Gaster Blaster with "Sacrifice this
creature: Deal 2 damage to any target, or prevent
the next 2 damage dealt to any target this turn."
"you're gonna have a bad time."