Mallolwch Ancient-Haunter

As Mallolwch Ancient-Haunter enters the battlefeild choose Werewolves or Hydras:
Werewolves:
-All Werewolf creatures you control get a +2/+2 and First strike. When you are dealt damage create a 1/1 werewolf token.
Hydras:
-All Hydras enter the battlefield with a three +1/+1 and gain haste. At the end of your turn Proliferate.