The classic example is Spider Spawning, a deck that combined unplayably bad cards and when properly built was the best deck at the table
5 Knight-Errant Of Eos Can't Go Wrong With Classic Convoke It's no secret that Boros Convoke was among the best decks in Standard prior to rotation
Here we look at how many cards are in a Magic the Gathering deck, whether you should play more than the minimum MTG deck size, plus some cool cards to try if you play a large MTG deck
If you can get there, Brisela is a massive threat that shuts off your opponents ability to cast many mana rocks, ramp spells, counterspells, etc
ThisIsBullshit says
In Commander, it almost always hits that threshold, turning what looks like filler into one of the best draw spells in your deck