Once flipped, Invasion of Ravnica becomes Guildpact Paragon a 5/5 Artifact Creature that allows its controller to dig through the top six cards of their deck for a two-color card whenever they play a two-color card
So now we are seeing lists playing more planeswalkers and upping the discard count as well
In the right deck, you can ultimate him the turn he comes down
Though that flexibility is a benefit of the mechanic, it can lead newcomers astray into making non-synergistic decks simply because they're given more room to play in
Cascade is a powerhouse mechanic in general, but in Commander, it really shines thanks to the plethora of cards on offer
Since we're a Vehicles deck and all vehicles are artifacts, it makes sense to take advantage of artifact synergies, which I deliberately steered the deck into: we're running all the artifact mana cost discounts from Foundry Inspector to Semblance Anvil, drawing cards off Canoptek Spyder and Sanwell, Avenger Ace, and protecting our board with Leonin Abunas and Bronze Guardian