This probably only matters for your high value listings but lowering the price after a month is almost always a great way to reinvigorate that listing
With Yawgmoths Bargain out, you skip your draw step without drawing any cards
Jacked Rabbit is a creature you want to ensure always has a lot of +1/+1 counters on it, as this will keep giving you 1/1 Rabbit tokens for each attack, and with high stats, it won't be in danger during combat
Building your deck can be challenging, but there's no reason you have to do it painfully, card by card
Lets do a little Prototype lightning round of the better examples to kick things off: Autonomous Assembler Likely better in multiples, which doesnt really do much for us here in Commanderland outside of goofball Assembly-Worker decks
Brokkos, Apex of Forever As long as you have a non-human creature on the battlefield, Brokkos, Apex of Forever cant die (although it can be exiled sometimes)