Doge, Legend X

Flying, double strike, annihilator 6, infect, hexproof, ingest, trample, indestructible
Whenever a player casts a spell, add one green mana to your mana pool and deal 3 damage to each opponent. Then, put a +1/+1 counter on each other creature you control.
The only doge in the land able to defeat Emrakul, the Aeon's Torn.