MTG >Combos >Perilous Myr +Ashnod's Altar +Lightning Greaves +Koll, the Forgemaster +

With Knoll in play, cast Perilous Myr Equip it with Lightning Greaves and sacrifice it with Asnod's Altar to add two mana Perilous Myr's ability will trigger, deal 2 damage to the opponent Knoll's ability will trigger, return Perilous Myr to your hand Repeat process for infinite damage