Algovar, Of The Black Bog

Double strike, Trample, Indestructible, Haste , Vigilance, Deathtouch, Swampwalk.
Algovar enters the battlefield with x +1/+1 counters.
{5}{b}{b}{b}: Create 2/2 zombie creature tokens with swampwalk for each land on the battlefield.
After 10 turns, sacrifice Algovar.