Colossal Dreadscale

Trample
Devour 2 (Whenever Colossal Dreadscale attacks,
you may sacrifice any number of creatures. Colossal Dreadscale gets +2/+2 until the end of the turn for
each creature sacrificed this way.)
"A living avalanche, the Colossal Dreadscale leaves nothing but chaos and destruction in its wake."
- Scrolls of Annihilation