Any deck that cares about self-mill will have plenty of options for getting cards into the graveyard, with Sultai-based dredge decks able to capitalize most readily
ACCURSED DUNEYARD Whatever flavor of Zombie deck you have, it can run Accursed Duneyard
You can use it to ramp yourself via Fetchlands, double down on powerful enters or leaves abilities, and everything in between
Making use of the extra cards languishing in your hand by exiling one to cast Force of Despair for free is a good way to leverage that resource disparity, and its an answer to huge board states out of nowhere that people dont use nearly often enough
Locke can swing in pretty easily against all but tokens and mana dorks, and the latter arent going to be readily blocking all of the the time
If Strax is dealt damage equal to its toughness while fighting, it will die before the +1/+1 counter from its last ability can save it