Artald Lionheart

Vigilance
Whenever a creature enters the battlefield under
an opponent's control, put a Trophy counter on
it if it enters with the greatest power.
{t}: Put a Trophy counter on target nonland permanent.
{w}{r}{g} Sacrifice Artald: Exile all permanents
with a Trophy counter on it.
{w}{g}: Target creature gains hexproof until end
of turn.