Sans

First strike, hexproof
Miss: If Sans is targeted by any form of damage such as a creature, instant, enchantment or any other thing that could damage, destroy, send back to the user's hand, exile, or change the power/toughness of Sans will have to flip 5 coins if any are tails it misses and does nothing.
Revenge: For every creature that dies while Sans is in play, Give Sans +5/+0