Esuly Gruti

When Esuly Gruti enters the battlefield, create
three blue and green 1/1 serpent token creatures.
Serpents you control have "When this creature
dies, create two 1/1 blue and green serpent
creatures"
Zurozian Kruadusa's gets +1/+1 for each
serpent under your control.
Tap three serpent creatures: Draw a card