Whether you want to go white or black to build it in a control direction, or go aggressive by adding red, there are plenty of options
This is another example of uncommon heavily printed vs heavily printed common will make you think that the uncommon is much more expensive, but not in this case where the uncommon is much cheaper
They cant control this thing if you dont want them to, you just have to have the right target
*Set Booster Card Magic the Gathering is TM and copyright Wizards of the Coast, Inc, a subsidiary of Hasbro, Inc
-9999 is more than enough, and in some decks you might even want the effect (Massacre Girl, Known Killer, for example)
You can also try to surprise the opponent with End the Festivities, but once the opponent knows you have it, its easy to play around with their counters) Incarnation +3 Invasion of Gobakhan +1 Light of Hope -1 Giant Killer -1 Forbidden Friendship -1 Reckless Bushwhacker P: -1 Voldaren Epicure D: -1 Ornithopter Boros Convoke +2 End the Festivities P: +2 Wedding Announcement D: +2 Forge Devil -3 Giant Killer -1 Reckless Bushwhacker (Im not sure about extra play effects to be honest since both options are not the best ones, but I havent found any better plan and Giant Killers are an easy side out anyway)