Freyar, the Unbound

Whenever another creature leaves the battlefield
exile Freyar the Unbound, then return it the the battlefield under its owners control
{t}: add {r}{r} to your mana pool
{t}{p/b}: Creatures you control have deathtouch
until end of turn
{r}{p/b}: Freyar, the Unbound gains haste
until end of turn