Eternal Glade

Eternal Glade enters the battlefield tapped. When Eternal Glade enters the battlefield, return a land you control to your hand. If the land returned to your hand this way was a plains, untap a creature you control.
{t}: Add {1}{w} to your mana pool. Untap a creature you control.
{t}: Put a 2/3 Beast creature token onto the battlefield tapped.
When Eternal Glade leaves the battlefield, sacrifice a creature.