The Aura side is useful, but it is not so powerful that you need to hold it forever
It's just a game at the end of the day, let's all have fun.
I don't even know what that means, but here's the "combo." The rules of the game basically involve a deck that cannot win the game except through its own power, in the slowest way possible, while playing against a brick wall
Kambal, Consul of Allocation Kambal, Consul of Allocation is a nice engine for gaining life over the course of a given match, even if it eats up a removal spell or a wrath effect
Even when you do them both for five the Shreikmaw has comparable evasion, a not wildly lower amount of power and has no upkeep costs
Finally, its a 2/4, so its not like youve spent 3 mana to cast an artifact that doesnt affect the board