Corridor Monitor + Meticulous Excavation + Selvala, Heart of the Wilds

Mana needed: {G}

GWU identity

Commander legal

The 3 combo pieces

What must be in place

You control a creature with power 6 or greater.
Selvala does not have summoning sickness.

How to execute it

  1. Activate Selvala by paying {G} and tapping it, adding at least {3}{G}{W}{U}.
  2. Cast Corridor Monitor by paying {1}{U}.
  3. When Corridor Monitor enters the battlefield, it triggers, untapping Selvala.
  4. Activate Meticulous Excavation by paying {2}{W}, returning Corridor Monitor to your hand.
  5. Repeat.
  6. If you control a creature with power 7 or greater, this combo nets infinite mana, and you may target another creature using Corridor Monitor's ability.

What the combo produces