Loona I.M.P. Hellhound

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 Tesak, Judith's Hellhound attacks, add
{r} for each attacking creature.