Galdain, Nature's Wrath

Galdain enters the battlefield with 3 rage
counters.
When Galdain receives combat damage, that
damage is halved (rounded down) as long as he
has a rage counter.
{g}{t}: Galdain fights target creature. The
creature's controller may instead tap the creature.
{g}, remove a rage counter: target creature's
power and toughness are halved until the end
of turn (round up).