Gregor, The Largest

Haste; Menace
Other cat creatures you control have haste.
When Gregor, The Largest is on the battlefield, Korin, The Loudest can be regenerated for {2}.
{g}{b}{1},{t}: discard two cards from your hand, exile target permanent.
{r}{r}{r}{1}, {t}: goad target player until your next turn.
{b}{g}{r}{2}, {t}: Choose any exiled permanent, put it onto your battlefield untapped.