Grand Arbiter Augustin IV [Dissension] Zombie Giant Benalia has a complex caste

Benalia has a complex caste system that changes with the lunar year

but you may put it on top of your library instead of into your graveyard

Whenever enchanted creature deals combat damage to a player

Set: Judge Gift Cards 2010 Type: Artifact Creature — Phyrexian Dreadnought Rarity: Rare Cost: {1} Trample

Set: Revised Edition Type: Creature — Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature

Grand Arbiter Augustin IV [Dissension] Zombie Giant Benalia has a complex casteSet: Dissension Type: Legendary Creature Human Advisor Rarity: Rare Cost: {2}{W}{U} White spells you cast cost {1} less to cast. Blue spells you cast cost {1} less to cast. Spells your opponents cast cost {1} more to cast. The Arbiter is a conduit of justice, a will so disciplined that it dispenses justice without ego or remorse.