Rengar, The Pridestalker

Flash, Trample
at the end of each combat phase, put a Ferocity counter on Rengar. At the beginning of your
upkeep, If Rengar has four ferocity counters,
choose one of the following:
-Rengar gain double strike until end turn.
-put four +1/+1 counters on Rengar .
-target creature an opponent controls can't block next turn.
{dash}Rengar deals 6 damage to target creature.
Tonight!! We hunt!!!