If you can reduce the casting cost, sneak it onto the battlefield, or reanimate it, you should have a tidal wave of value coming from the top of your library through your graveyard
Garth One-Eye can create a copy of Black Lotus
This means Gond Gate itself enters tapped, and if Gond Gate enters play at the same time as other gates, they all enter tapped
It comes in at 3 mana and then attaches for 2, only to be bounced to your hand the second you actually use it
I stumbled upon a wizard-based version from Ziofrancone used to win a Modern Challenge that spoke to me: This deck leans more heavily on Blue and White with a touch of red for Phlage, Flame of Anor, and Obsidian Charmaw in the sideboard
(To scry X, that player looks at the top X cards of their library, then put any number of them on the bottom and the rest on top in any order.) As the enters-the battlefield ability resolves, first you scry 2