Agatha's Soul Cauldron + Arwen, Weaver of Hope + Beledros Witherbloom + and 2 others

WBG identity

Commander legal

The 5 combo pieces

What must be in place

Urza's Saga has two lore counters on it.
Lands you control except Urza's Saga can tap to produce at least {2}.
The number of artifacts you control plus Arwen's toughness is equal to or greater than 9.

How to execute it

  1. Activate any number of lands except Urza's Saga by tapping them, adding at least {2}.
  2. Activate Urza's Saga's second ability by paying {2} and tapping it, creating a 0/0 Construct artifact creature token that gets +1/+1 for each artifact you control, and that enters the battlefield with a number of +1/+1 counters equal to Arwen's toughness.
  3. When the Construct enters the battlefield, Trostani triggers, causing you to gain at least 10 life.
  4. Activate the Construct using Beledros Witherbloom's ability by paying 10 life, untapping all lands you control.
  5. Repeat.
  6. If other lands you control can tap to produce at least {3}, this combo nets infinite mana.

What the combo produces