Not sure if these have been done before, but:
Brutal Ritual
Event - Brutal - $5
All other players gain a Curse. If they do, they reveal their hand, and trash a card from their hand that you choose. Each player who did gain +1VP per $1 it cost.
Brutal Advance
Event - Brutal - $1
All other players reveal their hand, and trash an Action card from their hand that you choose. Each player who did gains an Action card costing up to $6 that you choose
Brutal Delve
Event - Brutal - $3
+Buy
All other players gain a Silver
Brutal Banquet
Event - Brutal - $4
All other players gain two Coppers and a Non-Victory card costing up to $5 that you choose.
Brutal Wedding
Event - Brutal - $5
All other players gain a Gold, +1VP, and take 3 debt
Brutal Dominate
Event - Brutal - $15
Gain a Province. If you do, +9VP. Perform the instructions of a random Brutal effect (including those not in the kingdom).
Brutal Torturer
Action - Attack - $6
+3 Cards
All other players choose a Brutal Event whose instructions you perform (Brutal events not in in the kingdom can be chosen).
And watch out for the promo!
Brutal Summon
Event - Brutal - $6
All other players gain an Action card costing up to $4 that you choose (choose once for all players). At the start of their next turn, they play the set aside card. Until it finishes resolving, you can see all cards they can and make all decisions for them.