MTG >Combos >Reveillark +Altar of Dementia +Karmic Guide +

Sacrifice Reveillark with Altar of Dementia, targeting your opponent. Reveillark's ability will trigger, target Karmic Guide in your graveyard. (If it's in play, sacrifice it before sacrificing Reveillark). Return Karmic Guide to the game and, with its ability, return Reveillark to the battlefield. Sacrifice Karmic Guide with Altar of Dementia, targeting your opponent. Repeat the process.