While the deck is already good, Mardu (red/white/black) has plenty of useful support cards for the strategy that make it a great base deck to upgrade over time
Wrap Up Guff Rewrites History | Illustration by Matt Stewart Magics playtest cards represent some of the most fun and unique design choices in the game
Gix Tempo Gix, Yawgmoth Praetor is essentially Mono Black Edric, Spymaster of Trest that has a slightly weaker card draw engine (you have to pay life) and weaker colors but instead comes with a built-in finisher, trading your individually weaker cards of 1/1 evasive creatures for actual haymakers and win conditions of your opponents' libraries
The most recent Secret Lair drop featured foil constellation versions of the original Theros Gods, and there was a bit of a debate about whether the cards should be compared to their original foil value (which is quite high) or non-foil value
Some opponents really hate it when you play with their cards, but that kind of hatred is what eldrazi are all about
I understand there may be some younger players new to the game who are interested in buying a few cards from Magic s history