Alania, Divergent Storm + Increasing Vengeance

Prerequisites

You have not cast an instant or sorcery spell this turn. You have a sorcery card in hand.

Steps

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 Increasing Vengeance by paying {R}{R}, targeting the additional sorcery.
4. Alania triggers, causing an opponent to draw a card and you to copy Increasing Vengeance, with the copy targeting the original Increasing Vengeance.
5. Resolve the copy of Increasing Vengeance, copying the original Increasing Vengeance, with the copy targeting the original Increasing Vengeance.
6. Repeat step 5.