Gaia, Mother of Earth

When Gaia Mother of Earth, enters the battlefield, you may place one basic forest from
your deck onto the battlefield, then shuffle.
Gains +1/+1 for each Forest you have in play.
When a green creature you control dies, exile that creature, then play a copy of that creature from
your deck onto the battlefield tapped. When this
card dies, put into play All creatures exiled by this
card's effect onto the battlefield under your control. All creatures summoned this way gain haste.