In the past you could probably rely more on your opponents decks losing to itself, or not getting online the aspect of the deck you could not beat
I feel Karador strikes the best balance between the utility and cost of reanimation in this space, as Kethis pushes you heavily toward a legendary theme, and Nethrois ability both costs a lot and truly thrives when you can bring back a zillion cheap creatures
So if I would play the card for three mana without the ability to awaken Purphoros, would I really be willing to pay one mana for the chance
Firstly, there are many ways to start this combo, once cards like Curiosity, Ophidian Eye and Tandem Lookout can be used
And you can do at least one per turn that you have both Kiki-Jiki and Dualcaster simultaneously on the board
But cycling will also work quite well, as a backup Lightning Rift that doesn't cost mana to trigger, can't hit dorks, but hits all players