Arwen Undómiel + Basking Broodscale + Elrond, Lord of Rivendell

GU identity

Commander legal

The 3 combo pieces

What must be in place

You have a way to cause a creature to enter the battlefield under your control.

How to execute it

  1. Cause a creature to enter the battlefield under your control.
  2. Elrond triggers, causing you to scry 1.
  3. Arwen Undómiel triggers, putting a +1/+1 counter on Basking Broodscale.
  4. Basking Broodscale triggers, creating a 0/1 Eldrazi Spawn creature token.
  5. Repeat from step 2.

What the combo produces