Alania, Divergent Storm + Expansion // Explosion

Mana needed: {U/R}{U/R} plus enough mana to cast the additional sorcery

UR identity

Commander legal

The 2 combo pieces

How to execute it

  1. Cast the additional sorcery by paying its mana cost.
  2. Alania triggers; choose not to have an opponent draw a card.
  3. Holding priority, cast Expansion by paying {U/R}{U/R}, targeting the additional sorcery.
  4. Alania triggers, causing an opponent to draw a card and you to copy Expansion, with the copy targeting the original Expansion.
  5. Resolve the copy of Expansion, copying the original Expansion, with the copy targeting the original Expansion.
  6. Repeat step 5.

What the combo produces