Nissa, Healer of Zendikar

+1: Target creature you control becomes a green 1/7 creature with death touch, first strike, and "this creature must be blocked at least one time.
-3: You gain 7 life.
-9: You get an emblem with "When you tap lands for mana add 4 more of that color of mana. (For double and tri-colored lands chose one color.)"