Otherwise, that creature gets +2/+2 until end of turn
Its a lot more expensive too, but thats an aside
You're paying 4B to start with, and then you also have to sacrifice a creature with high power to make X a relevant value
If you do a good job drafting Sultai Delve, these features will exist no matter what individual cards you wind up with
Grim Haruspex The one-mana morph on Grim Haruspex helps you ensure you can draw at least one card off of this great triggered ability
But Ginger Ale, [card]Prime Speaker Zegana[/card] can only come down on turn five (using [card]Nykthos, Shrine to Nyx[/card] with two mana at four devotion plus two mana of the other color)! True, but what if I told you I think [card]Prophetic Prism[/card] can enable devotion ramp decks at little to no cost