Elen-Dria, the Awakened

: As long as Elen-Dria has less than 10 loyalty counters on it, prevent all damage that would be dealt to Elen-Dria.
+2: Exile the top card of your library.
0: Each opponent exiles the top 15 cards of their library. Activate this ability only if Elen-Dria has 10 or more loyalty counters.