While the deck is surprisingly coherent for a precon, there are a handful of cards that are either underperforming or that you can easily replace with a direct upgrade
For four mana, you get a Blue, Black, and Red 1/3 with flying
The creature does have to belong to the player you dealt damage to, which is one of its only limitations
Common Removal Spells White Slash of Light (mediocre) Whites first common removal spell is rather conditional, though job select equipment works nicely with it
This is my list, and is in no way official
Support Most planeswalker commanders can benefit from the same effects, making it quite straightforward to provide solid support for them