
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever a Human deals damage to you, destroy it.
Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Mono-black aristocrats/combo: give your non-Human creatures undying so they recur on death, then sacrifice and recur them for value and combo kills. You durdle into mana and ramp, deploy a sacrifice outlet plus a payoff, and assemble Mikaeus with Triskelion or Walking Ballista to deal infinite damage. Mikaeus also anchors a powerful undying-aristocrats midrange plan even without the combo.
Add fast mana (Dark Ritual, Cabal Coffers, Nykthos) and more tutors (Demonic Tutor, Vampiric Tutor, Diabolic Intent) to find combo pieces faster. Lean into free sacrifice outlets like Ashnod's Altal and Phyrexian Altar plus drain payoffs to make the combo redundant. Tighten the curve with cheap interaction and consider a backup combo such as Geralf's Messenger loops to reduce reliance on a single line.
The most-played cards for this commander, built from aggregated deck data (the Mythic Graph). Build public decks to seed it.
→ Infinite card draw, Infinite draw triggers, Near-infinite death triggers
→ Infinite LTB, Infinite ETB, Infinite colored mana
→ Infinite LTB, Infinite ETB, Infinite colored mana
→ Infinite +1/+1 counters on a creature, Infinite death triggers, Infinite ETB
→ Infinite death triggers, Infinite ETB, Infinite LTB
Combos via Commander Spellbook.
Same color identity (B), by popularity.