Bolger the festering Mass

Deathtouch, Reach, Trample
When Bolger the Festering Mass enters the battlefield, target opponent must sacrifice
a creature or plainswalker.
{3}{g}{t}Create a token that is a copy of this card.
This creature gets (+4/+4) as long as there is
atleast one copy on the battlefield.
"Its rotting blight festers, awating those who venture
too close. Spreading its sickness across the land"