Lavinia, Azorius Renegade + Knowledge Pool
Lavinia, Azorius Renegade
All permanents on the battlefield.
- 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
- When an opponent casts a spell this way, Lavinia triggers, countering that spell
Exile all spells players cast from their hands. Counter all spells opponents cast that are created by Knowledge Pool.