The problem is that its double X casting cost makes it harder to deal direct damage on larger scales
If one of the Aura tokens being created couldn't legally be attached to the appropriate attacking creature (because of an ability like protection from enchantments), that Aura token won't be created
The five card boosters were famously panned by players as the Aftermath Booster didnt have enough card variety
That said, if you can pull off the politics and will play these cards fairly then they can be a lot of fun to tinker with
But some sweet synergies include Kuro, Pitlord and Horobi, Death's Wail to machine-gun down opposing creatures for 1 life per kill, Patron of the Nezumi which drains opponents, and Kagemaro, First to Suffer which is an emergency board wipe when needed
Return that card to the battlefield under its owners control at the beginning of your next upkeep