Oros, the Avenger

Flying
Whenever Oros, the Avenger deals combat damage to a player, you may pay {2}{W}. If you do, Oros deals 3 damage to each nonwhite creature.

Rats of Rath

{B}: Destroy target artifact, creature, or land you control.

At the beginning of your upkeep, if you control no permanents other than Barren Glory and have no cards in hand, you win the game.

Flying
When Archon of Falling Stars dies, you may return target enchantment card from your graveyard to the battlefield.