As

an

additional

cost

to

cast

this

spell,

sacrifice

a

creature.

Search

your

library

for

a

creature

card

with

mana

value

equal

to

1

plus

the

sacrificed

creature's

mana

value,

put

that

card

onto

the

battlefield

with

an

additional

+1/+1

counter

on

it,

then

shuffle.