Many other cards on this list like Trinisphere and Chalice of the Void get significantly better the more Moxen you have available, and significantly more backbreaking when you are reliant on Moxen, but face down one of these on the draw
Over a few turns, it snowballs
While Amethyst glimmer and illusion Iago Giant Spectral Parrot causes havoc, Amethyst and Steel glimmer Jafar Newly Crowned manipulates such specters to trick opponents
Not only do you draw a card, but you can immediately cast a spell from your hand with mana value equal to or less than the damage dealt, without paying its cost
Gitrog is your typical lands commander that lets you play an extra land per turn at the expense of having you sacrifice one on your upkeep
(The Dredge deck archetype is based around the graveyard mechanic dredge, which is known to contain mostly incomprehensible nonsense.) In the case where the graveyard is good for you, please embrace your grave with open arms