Krasis Spawning Pit

{2}{g/u}, {t}, Sacrifice two target creatures you
control: Create a blue green creature token with
the toughness of one creature sacrificed, the
power of the other sacrificed creature, all the
creature types of both creatures, and all the
abilities of both.
{1}{g}{u}: Target creature gains your choice of a
flying or trample counter, or Evolve 1.