Teri, Titan of Earth's Rumble

When Teri enters the battlefield, sacrifice it
unless it escaped.
When Teri enters the battlefield or attacks,
you may sacrifice a land. When you do, it deals
damage to target creature equal to the number of
lands you control.
Escape — {r}{r}{g}{g}, Exile five other cards
from your graveyard. (You may cast this card from
your graveyard for its escape cost.)