Grumblo, Vanguard Captain

Whenever a creature you control leaves the battlefield add +1/+1 on target creature you control.
{1}{g}: Create a 1/1 frog creature token with reach.
{b}, Sacrifice 3 frog creature tokens: Create a 4/5
giant toad creature token with trample and
"Whenever this creature gets blocked, target
defending creature gets a stun counter."
"Scree-hee-hee"