Carrion Feeder + Loch Mare + Mikaeus, the Unhallowed

UB identity

Commander legal

The 3 combo pieces

• Carrion Feeder
• Loch Mare
• Mikaeus, the Unhallowed

How to execute it

1. Activate Carrion Feeder by sacrificing Loch Mare.
2. When Loch Mare dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
3. Resolve the Carrion Feeder ability
4. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers