The need to interact, trade, and co-operate in real life was baked into the series from the very start
The best Limited planeswalkers tend to need two of the following three: Card draw, a removal effect, and a way to protect themselves
The Big Score, on the other hand, was originally planned as an epilogue set like March of the Machine: The Aftermath
Atraxa triggers at your end step, proliferating up counters on each of your turns
You can cast a card for its miracle cost when you draw it so long as its the first card youve drawn each turn
This ran rampant when Arcum's Astrolabe was still in Modern, but its still a solid playable that asks you to add some snow basics to your mana base