Thull The Seas-less Hunger

{3}{t} target creature gains a -1/-1 give Mechanical leech a +1/+1 token
{7}{t} Destroy target creature,and 1 land you control
, give Mechanical Leech a +2/+2 token
{1}{t} sacrifice a creature. Give this creature
hex proof
"The creatures created hunger can never be sated." - Horrified Creator