Tommy, the Green Ranger

Hexproof, reach.
Tommy enters the battlefield with a shield
counter on it.(If it would be dealt damage
or destroyed, remove a shield counter from it instead.)
{3}{g}{g}: Put a shield counter on target attacking creature you control.
Creatures you control with shield counters on
them have ward {2}(Whenever this creature becomes
the target of a spell or ability an opponent controls,
counter it unless that player pays {2}.)