Goblin Snowman 

Creature — Goblin
Whenever this creature blocks, prevent all combat damage that would be dealt to and dealt by it this turn.
: This creature deals 1 damage to target creature it's blocking.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL