Weaver, Ruthless Hero

You control all insects on the battlefield.
Weaver’s Web: Whenever another Legendary Creature enters the battlefield under your control, create two 1/1 Insect Creature tokens with flying.
What must be done: {t} Sacrifice another creature you control: Counter target spell
Transform{w}{u}{b}{r}{g} Sacrifice 3 Legendary Creatures: Transform into Khepri, Monstrous Saviour