It is spring incarnate, its gentle warmth chasing away the last of winter's bite.

Vernal Sovereign

Whenever this creature enters or attacks, create a green and white Elemental creature token with "This token's power and toughness are each equal to the number of creatures you control."

Ravnica: Clue Edition

Whenever Vernal Sovereign enters the battlefield or attacks, create a green and white Elemental creature token with "This creature's power and toughness are each equal to the number of creatures you control."

Elemental

This creature's power and toughness are each equal to the number of creatures you control.