Hexa, the Cultist Leader

Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste)
{w}{w}: Create a 1/1 Cultist Token
{b}{b}: Sacrifice a Cultist Token, Draw 1 card
Whenever a Cultist dies, Hexa, The Cultist Leader gains a +1/+1 counter until end of turn.