Gilded Lotus + Umbral Mantle + Xenic Poltergeist

B identity

Commander legal

The 3 combo pieces

• Gilded Lotus
• Umbral Mantle
• Xenic Poltergeist

What must be in place

Gilded Lotus and Xenic Poltergeist does not have summoning sickness.

How to execute it

1. Activate Xenic Poltergeist by tapping it, targeting Gilded Lotus.
2. Activate Umbral Mantle's equip ability by paying {0}, attaching it to the Gilded Lotus.
3. Activate Gilded Lotus by tapping it, adding three mana of any one color.
4. Activate Umbral Mantle by paying {3} and untapping it, giving itself +2/+2 until end of turn.
5. Repeat.

What the combo produces

• Infinitely large creature until end of turn