That said, it still helps find the cards that do and can do so repeatedly
Cavalry Charge: An Esper/WUB knights deck
As mentioned, Dark Confidant also butts heads with This Town Aint Big Enough, another Standard powerhouse that has some people up in arms, encouraging even more deck division
And things can get out of hand quickly when it pairs with cards that just so happen to benefit from being milled or being in the graveyard like Narcomoeba and Ichorid
4 Scavenging Ooze Ooze That Just Keeps Growing 2 Mana Cost in Green Creature Scavenging Ooze is an infuriating creature to fight, going from a simple 2/2 upon its entrance to suddenly being a massive threat as long as its controller has mana and anyone in the game has a graveyard full of creatures
Creature - Beast Pouncing Shoreshark Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own