Ive already written a little about that cycle, and while I personally only see the Kozilek as particularly groundbreaking for all things Cube, all three of these cards have generated considerable hype
In this case, Numeron Calling
Machina Retrofitting Plant Normal Trap Card Lore: When you have no "Machina" monsters in your GY: You can return up to 5 of your banished "Machina" monsters to your GY, and if you do, draw 1 card for every 2 cards returned by this effect
Check out all the Commander Masters precon upgrades here: Sliver Swarm is a five-color deck that is all about Slivers, a creature type where each member brings a unique buff to all your Slivers, from granting them all flying with Galerider Sliver to drawing cards with Synapse Sliver
Cloud Strife (Najeela, the Blade-Blossom) Ive never seen a Najeela, the Blade-Blossom player that isnt on infinite combos exploiting the incredibly powerful activated ability that gives this commander its WUBRG identity
That almost certainly means that the same meta and decks will be used at least for a while