Mikaeus, the Unhallowed + Phyrexian Altar + Tatterkite

B identity

Commander legal

The 3 combo pieces

• Mikaeus, the Unhallowed
• Phyrexian Altar
• Tatterkite

How to execute it

1. Activate Phyrexian Altar by sacrificing Tatterkite, adding one mana of any color.
2. When Tatterkite dies, its undying ability triggers, returning it to the battlefield from your graveyard with zero +1/+1 counters due to its ability.
3. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers