Bi, The Beast King

Trample
{r}{g} Bi, The Beast King gains +X/+0 where X
the number of Beast, Animal or Dwarf you
control.
{t}{1}{r}{g} Beast, Animal and Dwarf you control
gains +X/+0 and Trample, where X is the Power
of Bi, The Beast King.
{2}{t} Sacrifice Bi, The Beast King, Beast, Animal
and Dwarf you control gains Indestructible
until end of this turn