Cock Fighting Farm

{g/w}: Create a green 0/1 Chicken token that
can't block.
{g/w}{g/w}, sacrifice two Chicken tokens : Create a
green 1/1 Fighting Cock token. Draw a card.
{g/w}{g/w}{g/w}, sacrifice two Fighting Cock tokens :
Create a green 2/1 Fighting Cock Champion
token with First strike. Draw two cards.