Ruby, Witch's Champion

Indestructible
When this creature leaves the battlefield, return it to the battlefield under your control tapped and Exerted.
When another creature enters under your control, deal 1 damage to each opponent.
{3}, {t}: Exert Ruby, Witch's Champion. Create X 1/1 Beast Witch creature tokens, where X is the number of lands you control.
(To Exert a creature, tap it. That creature stays tapped for an additional turn.)