Zorud, the Drowned Soul

Lifelink
{2}{g}: Mill three cards, then return all lands
milled this way onto the battlefield.
{1}{u}: Surveil 2.
{b}: Return up to one target creature from your
graveyard to the battlefield. If it is not a
Kraken, Leviathan, Octopus, or Serpent,
you lose life equal to its power.