T-Rex

Renown, Prowess, Devour 1, Battle cry
When T-Rex enters the battlefield it fights target creature an opponent controls.
In the March 2005 issue of Science, Mary Higby Schweitzer of North Carolina State University and colleagues announced the recovery of soft tissue from the marrow cavity of a fossilized leg bone from a Tyrannosaurus rex. In addition, blood cells were found inside the matrix and vessels.