Creatures (16) Planeswalkers (8) Lands (25) Spells (11) While Archangel Avacyn has enjoyed relatively little success in powered formats, her sheer dominance during her entire Standard duration combined with just how many other Standard formats would be warped by her earn her spot on the list (and thats to say nothing of how complicated of a card she is, making her one of the most difficult to play optimally against)
Looking across these ten, the common threads are clear: A repeatable, powerful ability
Shantotto, Tactician Magician and The Emperor of Palamecia each care about the amount of mana spent to cast them
Have a tankard of ale and just get to know each other for a bit
Esper Midrange This is the classic midrange style deck that people think of when they think of Standard, with planeswalkers, strong creatures, good answers, and the ability to punish people who stumble
[Electric]