Professor Oak

{w}{t}create a 1/1 creature named rattata
{b}{b}{t}Create a 2/2 creature named grimer
{u}{u}{u}{t}Create a 3/3 creature named squirtle
{g}{g}{g}{g}{t}Create a 4/4 creature named bulbasaur
{r}{r}{r}{r}{r}{t}Create a 5/5 creature
named charmander
When a Pokemon dies exile it. Until the end of next
turn you may pay the evolution cost and return it
to the battlefield