Flurgashner Shadowbreaker

{b}: Flur gains deathtouch until end of turn
{w}: Flur gains flying until end of turn
When Flur deals combat damage to a player or planeswalker, roll a d20, if you roll a 20,
if a player was hit, they lose the game, if a planeswalker was hit, destroy that planeswalker.
{w/b}{w/b}{w/b}{w/b}{u}{u}: Return Flur from the graveyard
to the battlefield flipped.