Monstapede

Hatch {2}{g}{u}
trample
Monstapede power and toughness is equal to the number of insect creatures you control.
Whenever Monstapede is put into the graveyard,
you may return Monstapede to the top of your library, search your library for an insect creature
who's converted mana cost is less than the
number of insects you control, put that insect creature onto the battlefield tapped, then shuffle
your library.