Tapeworm Infection

(As this Saga enters and after your draw step,
add a lore counter. Sacrifice after III.)
{I}: Create X 1/1 tapeworm tokens with
"This creature does damage in -1/-1 counters."
{II}: All tapeworm tokens gain +X/+X
until end of turn.
{III}: Place a poison counter on yourself for
each tapeworm token on the battlefield.
Then, sacrifice all tapeworm tokens.