Drekka, Colossal Serpent

: Every time a Serpent is exiled, take 1 Save counter. When you own 3 save counters, put target exiled Serpent into your hand
+1: Take 1 Armor Counter. When you own 5 Armor Counters, apply Armored (This creature can't be damaged by creatures with Deathtouch) to target Serpent
-13: Take an emblem stating that, "If a card will be exiled, put it and all other exiled cards you own into your library. Shuffle your library"