Ashima Tor, the Verdant

Whenever a land enters the battlefield, you may
discard a card. If you do, draw a card.
{1}{r}{g}: You may put a land card from your
graveyard onto the battlefield tapped. If you do,
Ashima Tor, the Verdant deals 2 damage to any
target.
{2}{w}{u}{b}: Each player sacrifices two lands,
then returns up to four land cards from their
graveyard to the battlefield tapped.