Nidus Prime

Virulence {b}
Choose an enemy creature. The creature and Nidus Prime gain an infestation token.

•Each infestation token on your field gives Nidus Prime +1/+1.
•Each infestation token on an opponent's field lasts one turn, subtracting one life from them and adding one to you.

"What succulent riches disease's kiss may bring.
My festering demigod. My Nidus." ~Ballas