Radvian Berserker

Trample
Berserk {1}{r/g} (When this creature dies, you may
pay it's Berserk cost to return it to the battlefield and
create another combat phase under your control after
the current phase. Only creatures with Berserk may
attack during this phase. At the end of turn, any
Berserk creatures you control who died this turn
are exiled.)