Thornbite Staff

just use it with a wren's run vanquisher or other deathtouch creature.

Add this card to Avatar of Woe and boom the opponent's playing is clear of creatures, or throw this bad boy on a Nantuko Husk enchanted with Presence of Gond or Elemental Mastery and you have one big A$$ creature to Fling or Rite of Consumption an opponent.

A major combo maker. Kiki-jiki + thornbite staff + mogg fanatic = infinite damage and possible turn 2 kill.
Starting hand: 2 mountain, 2 rite of flame, seething song, mogg fanatic, kiki-jiki mirror breaker. Turn one, play mountain, tap to play rite of flame, play thornbite staff. Turn two play mountain, tap one mountain to play rite of flame, play seething song, play kiki-jiki. Kiki-jiki is a shaman so the staff attaches for free. Tap other mountain play mogg fanatic. Tap kiki-jiki to make a copy of the mogg, sac the mogg token to do one damage to opponent, kiki-jiki un-taps when you sac the token, repeat 19 more times.