Pythor, last anacondrai

At the beginning of the end step If you control
3 or more hypnobrais, venomaris, fangpyre
and constrictais, if you dont control 4 emblems
named teeth sword, create 4 emblems named
teeth swords (If you control 4 emblems named
teeth swords, snakes cost {1} less to cast)—
Whenever a snake you control dies draw a card
At the beginning of your upkeep if you control 4 emblems named teeth swords transform pythor