Revan's Mask

Equip {2}
Neo-Crusader's Bane—Equipped creature gets Ward {2} and has Outlast {w/b}
({w/b}, {t}: Put a +1 +1 counter on this creature. Activate only as a sorcery)

Whenever equipped creature deals
combat damage to a player, double
the amount of +1 +1 counters on it.