Efeme, The Life-Man

0: You gain life equal to the number of permanents you control, plus your life total, then, put that many loyalty counters on Efeme, The Life-Man.
+2: If you have 30 or more life, You win the game, If you don't, Whenever an opponent loses life this turn, you gain that much life.
-4: You get an emblem: "Whenever you cast a spell, you gain 1 life for each spell you’ve cast this game."