mtg commander cascade deck The First Sliver EDH | Sliver Deck Mtg Commander Cascade - Etsy

While Mindwrack Demon is impressive as an early threat, the flexibility offered by Traverse the Ulvenwald in long games seems like it may end up ultimately being the real payoff for the mechanic

I frequently forget this ability exists, because its almost always overkill, but the card filtering is insanely useful for finding a way to close the game

Its hard to quantify an answer to that question, but Id guess that Gray Merchant of Asphodel is in the top five black game-enders ever

There are three cards which grant Retrace to spells which don't have it built in - Deeproot Historian, Six, and Wrenn and Six Because of Kindred Sorceries existing from back in the day, Deeproot Historian actually can make some Kindred spells have Retrace in addition to Merfolk and Druid permanents