Morty Mart

{t}: Add {w} or {b}.
{2}, {t}: Create a 2/1 white and black Morty
creature token.
{1}: Sacrifice a Morty, regenerate target creature.
"No Ricks, no families, high off their asses and
runnin' amok. Morty's are raised to be sidekicks.
Without a side to kick, they just start kickin'."
—Cop Morty