Lavinia, Azorius Renegade + Knowledge Pool

Prerequisites

—

Steps

1. 1Whenever 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. 2When an opponent casts a spell this way, Lavinia triggers, countering that spell.

Effects

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