Johnir, The Ancient Æsir

Deathtouch, Flying, Indestructible, Lifelink
{t}{3}{p/u}: Target opponent puts the top 3 cards of
their library into their graveyard.
{t}{4}{p/w}: Create a 1/1 white vampire token with Lifelink. Then put a +1/+1 on each vampire you control.
{t}{5}{p/b}: Gain control of target creature. It's a
vampire in addition to its other types.