Doomsday 2.22

When Doomsday 2.22 enters the battlefield,
create a legendary 0/1 blue octopus token called Randall.
{r}, Sacrifice Randall: Deal 3 damage to any target.
{2}{g/u}{g/u}, {t}, Sacrifice a Creature: Reveal cards from
the top of your library until you reveal a creature
card, then put that creature onto the battlefield.
Shuffle your library.