Every time you discard a card, you get to choose a new benefit: You draw a card, make a Treasure, or drain your opponents
Brainstorm Chaos Mutation Chaos Warp Dark Ritual Kill
One deck I drafted had cards that gave me various uses for food tokens other than sacrificing it for life
Marling Locket (2) 1 Garruk, Cursed Huntsman 1 Spark Harvest Creatures (14) 1 Ferocious Pup 1 Kessig Cagebreakers 1 Kessig Prowler 1 Master of the Wild Hunt 1 Mayor of Avabruck 1 Nightpack Ambusher 1 Pack Guardian 1 Scorned Villager 1 Skalla Wolf 1 Spirit of the Hunt 1 Ulvenwald Captive 1 Wolfbriar Elemental 1 Wolfir Silverheart 1 Young Wolf Planeswalkers (3) 1 Arlinn, Voice of the Pack 1 Garruk Relentless 1 Garruk Wildspeaker Instants (3) 1 Assassin's Trophy 1 Predator's Howl 1 Putrefy Sorceries (4) 1 Harmonize 1 Harvest Season 1 In Garruk's Wake 1 Search for Tomorrow Enchantments (8) 1 Alpha Status 1 Beastmaster Ascension 1 Deathreap Ritual 1 Howlpack Resurgence 1 One with Nature 1 Parallel Lives 1 Raised by Wolves 1 Wolfcaller's Howl Artifacts (2) 1 Sword of Body and Mind 1 Sword of the Animist Pine needles shiver in the forest as your pack howls
decks with effects like Narset, Parter of Veils or wheel payoffs love it
Sure, having to sacrifice an artifact or creature can be a notable drawback, but Rakdos has tons of ways to generate tokens, either creatures or Treasure