Celestial Judgement

Imbalance (When you cast this spell, if you have less
than half of your starting life total, you get Imbalance
for the rest of the game.)
Celestial Judgement deals 4 damage to target attacking or blocking creature. If you have
Imbalance, exile target creature instead.
"Should the balance of life be tipped, so shall it's fury."
- Gideon Jura