Lavinia, Azorius Renegade + Possibility Storm

URW identity

Commander legal

The 2 combo pieces

• Lavinia, Azorius Renegade
• Possibility Storm

How to execute it

1. Whenever an opponent casts a spell from their hand, Possibility Storm triggers, exiling the spell and allowing the player to reveal cards from the top of their library until they reveal a spell that shares a type with the exiled spell, and cast it without paying its mana cost.
2. If the opponent chooses to cast the spell, Lavinia triggers, countering that spell since no mana was spent to cast it.

What the combo produces

• Counter all spells opponents cast from their hands
• Lock