Knowledge Pool + Lavinia, Azorius Renegade

WU identity

Commander legal

The 2 combo pieces

• Knowledge Pool
• Lavinia, Azorius Renegade

How to execute it

1. Whenever a player casts a spell from their hand, Knowledge Pool triggers, exiling that spell and allowing them to cast a spell exiled by it without paying its mana cost.
2. When an opponent casts a spell this way, Lavinia triggers, countering that spell.

What the combo produces

• Counter all spells opponents cast that are created by Knowledge Pool
• Exile all spells players cast from their hands
• Lock