The recipe gets real when you mix in artifact sacrifice payoffs like Crime Novelist, Scrap Trawler, Prized Statue, Ichor Wellspring, and Weapons Manufacturing
Double up on it with Bringer of the Last Gift, and pave the way with Author of Shadows and Dauthi Voidwalker
Swift Response, The Revelations of Ezio, and The Wandering Emperor each punish your opponents with permanent removal of the creature now that it's tapped
There are too many ways for red to deal noncombat damage, and more than enough ways to boost Ojer Axonils power
For starters, Delighted Halfling is able to generate any color of mana which is always incredibly useful
Siphoning life and drawing three cards can be a killer strategy if you can reliably sacrifice permanents of different card types on several turns