Krark-Clan Grunt + Mikaeus, the Unhallowed + The Reaper, King No More

BRG identity

Commander legal

The 3 combo pieces

• Krark-Clan Grunt
• Mikaeus, the Unhallowed
• The Reaper, King No More

How to execute it

1. Activate Krark-Clan Grunt by sacrificing The Reaper.
2. When The Reaper dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. When The Reaper enters the battlefield, it triggers, putting a -1/-1 counter on it.
4. Resolve the Krark-Clan Grunt ability
5. Repeat.

What the combo produces

• Infinite -1/-1 counters
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite recursion of non-Human creatures you control
• Infinite sacrifice triggers
• Infinitely powerful creature until end of turn