With where the format is currently, I value instant speed interaction highly, so my top choices for this slot are Natures Claim and the phenomenal newcomer, Cankerbloom
You can have rogues that benefit from mill or you can use cards that care about the damage dealt and enjoy the extra cards
Contraband Livestock is a fine replacement, and probably displaces Fateful Absence and the like, and a great budget option too
These decks are complex, but exciting, and it feels like so much love and care went into crafting them for Magic and Doctor Who fans alike
Every card has what's called a color identity. Since your commander is the one leading your build, all of the cards in your deck have to be within your commanders color identity , or colorless cards
For whatever reason, I didnt think that adding Scrounger to Rakdos Sacrifice would make much of a difference