MTG >Combos >Augur il-Vec +Deathrender +Koll, the Forgemaster +

At your Upkeep, with Knoll in play, and Augur il-Vec equipped with Deathrender and sacrifice it to gain 4 life Knoll's ability will trigger, return Augur il-Vec to your hand Deathrender's ability will trigger, put Augur il-Vec into play Repeat process for infinite life