Emissary of the Wilds

When Emissary of the Wilds enters the battlefield, draw a card.
When Emissary of the Wilds dies, you may exile
it.
Stalk {g} (At the end of each block step, if there is an unblocked creature attacking you, you may cast this
card for its stalk cost. If you do, choose an unblocked creature attacking you. This creature blocks that
creature.)