Gaia's Forrest

When a land enter the battlefield add 1 mana of
any color to your mana pool. Mana doesn't empty
from your mana pool until the end step. When
rolling the dice for the first time on your turn, it
costs {0}.
{s}: When you roll {s} you may Choose 1:
- Search your library for 2 basic lands, put them
into your hand.
- Basic lands tap for an additional {1}
- Return a land from your graveyard to the battlefield tapped