Arcanine

Unleash (You may have this creature enter with a +1/+1 counter on it. It can’t block as long as it has a +1/+1 counter on it.)

Other Dogs you control have unleash.
Creatures you control with counters on them have haste.
Whenever Arcanine attacks, add {r} for each attacking creature.

"The fire burning inside its body serves as the energy to fuel it as it runs great distances." - Pokédex