Ancient Cellarspawn Im probably being hyperbolic putting Ancient Cellarspawn at number 1, but Im floored by this card, and none of that has anything to do with the cost reduction ability
Drawing two cards, weighing your options, and discarding two cards can help you get you closer to your win condition when you cast the Market side from the graveyard
The Collector Booster Box gives you tons of chances to open all sorts of powerful cards, many with special frames and showcase artwork
While its a great Commander staple for getting your Lands guaranteed and out on time, it doesnt actually help you dig for cards that you need, and thats the main benefit of drawing cards
Sword of Feast and Famine [Discards and Untaps Land] When it comes to playing Magic , one of the core problems you need to address is how your deck generates mana