Spellslingers can run the problem of lacking a wincon, but Eris being a beater who makes beaters helps us in no short supply
Its not legendary or an enchant world or anything else self-limiting, so you can load up
Its a 1/3 with vigilance and prowess as well as two activated abilities: a tap to loot, (draw, then discard) and yet another copy target instant or sorcery spell you control. The second ability can only occur if Kitsas power is 3 or greater, but in a fast Otter deck, that shouldnt be too difficult making this an exceptional engine for any decks that care about firing off tons of impactful instants and sorceries
Then, on your upkeep, all creatures she exiled return under your control with decayed, meaning they cant block and are sacrificed after attacking
Humanitys Vengeance Humanity's Vengeance is a Azorius deck that features humans fighting the monsters back
Though not nearly as impactful as the Altar itself, the sorcery speed Adventure attached to Altar of Bhaal, Bone Offering, can be cast for three mana, creating a 4/1 skeleton token with menace
