Korvask

{b}{u}{4}{t} Phylactery - Add 1 regeneration token to Korvask. When Korvask would be killed by damage, remove 1 of these tokens
{b}{b}{u}{u}{t} Extract Brain - Target one of opponent's creatures. Gain control of that creature
{b}{b}{u}{u}{4}{t} Disintegrate - Target creature is removed from the battlefield