Did I forget any
If we compare Ultimate Masters to some of the worst Masters sets we've had recently, like Masters 25 or Iconic Masters , the average mythic in Ultimate Masters is worth nearly $10 more, even discounting 15% for a fair comparison
Black has been the leader with cards like Reprocess and Vampiric Rites
It's a relatively unremarkable card during the early stages of the game, but becomes much more powerful later on if you've got the mana to fuel itnot just for the number of cards it potentially adds to your hand, but because it enables you to hang on to them, rather than having to cut your hand back to the normal max at the end of your turn
Discovering once per turn on any dino entering the battlefield is a nutty amount of card advantage, kind of like a Gishath that splits the value up over time instead of all at once
(It's an artifact with ", , Sacrifice this token: You gain 3 life.") Activated abilities of Foods you control cost less to activate