Ella, Nature's Chosen

Defender, First Strike
Landfall-When a land enters the battlefield, gain 2 life and draw a card
{t}:Add {g} to your mana pool
If you lose 5 life since casting Ella, Nature's Chosen, she gets a +3/+0, lifelink, and can attack as though it never had defender
Elf creatures you control have First Strike
"Ever since I was exiled from my home, I've lived with the local creatures in this forest. This my home, I will defend it til my end."