Theres a lot of card draw/advantage in the deck, but much of it is on expensive cards like Sunbirds InvocationSunbirds Invocation and Coveted JewelCoveted Jewel, so you cant rely on cheap card draw to find your ramp in the early game
Wizards of the Coast, of course, shares their spoiler card in an article on their main site
If you dont want to go through the trouble of casting Naru Meha as part of your setup, you can also set up a combo with Ghostly Flicker, Archaeomancer, and Peregrine Drake to make infinite mana, then set up to Braingeyser your opponents or draw your deck and combo with Thassas Oracle as you see fit
Sacrificing a creature sounds intimidating until you realize just how good black is at generating token creatures as fodder
We dont usually see unconditional creature recursion very often, and we see unconditional enchantment removal even less often