Technically speaking, it's legal to play with a deck of more than 60 cards, but at all times your deck must be at least 60 cards and your sideboard must be at most 15 cards
Magic: The Gathering is all about taking whatever you can find and turning it into something potent enough to let you survive, and with the coming of Fallout in the next Universes Beyond crossover, the planeswalkers of the multiverse will soon be able to call upon the survivors and technology of what used to be called America
This is a downside if you're removing +1/+1 counters or similar, but removing a lore counter from a saga is all upside, keeping it in play for another turn and rebuying your earlier saga abilities
Kess, Dissident Mage Even though she hit Commander recently, she has been a very popular build-around
Atraxa, Grand Unifier is the poster angel for a multi-format staple, and its premium printings from Phyrexia: All Will Be One arent too far from $100
We can do huge damage by building him up big and throwing him alone at the enemy in just one piercing blow