Black Lotus + Emry, Lurker of the Loch + Umbral Mantle

U identity

The 3 combo pieces

• Black Lotus
• Emry, Lurker of the Loch
• Umbral Mantle

What must be in place

Emry does not have summoning sickness.
Umbral Mantle attached to Emry.

How to execute it

1. Activate Black Lotus by tapping and sacrificing it, adding three mana of any color.
2. Activate Emry by tapping it, allowing you to cast Black Lotus from your graveyard this turn.
3. Cast Black Lotus by paying {0}.
4. Activate Emry by paying {3} and untapping it, giving it +2/+2 until end of turn.
5. Repeat.

What the combo produces

• Infinite storm count
• Infinitely large creature until end of turn