In EDH, think Senseis Divining Top, Scroll Rack, and the many cards that let you scry as part of spell resolution
This can inform our land count
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This can again, go either way
Plus, creatures like Barkform Harvester can prevent you from losing in this situation
Yes, this is a slightly greedy prediction, but spells like [card]Magma Jet[/card], [card]Searing Blood[/card], [card]Crippling Chill[/card], [card]Force Away[/card], [card]Disdainful Stroke[/card], [card]Ride Down[/card], [card]Winterflame[/card], [card]Jeskai Charm[/card], and [card]Arc Lightning[/card] all seem to work well with 16 to 20 efficient creatures.This type of deck could be a good way to combat the predicted Rabble-Aggro and Courser-Midrange meta