Few black spells in MTG reward disciplined sequencing like this
The rest of this list is debatable, but I'm not sure how anything else can be #1
Well, Camelot means one very key thing
This list is based on the competitive side of things, looking at the cards that have had the biggest cross-format impact, but especially in Standard, hot on the heels of the World Championships
Kefka, Court Mage (Borderless) (Surge Foil) Printing Foil Condition Near Mint (NM) Rarity Mythic Rare Number 543 Market Price $114.46 Despite being one of the better new cards to build a commander deck around, Kefka, Court Mage is surprisingly less valuable than many other lesser cards
Sure, the Prophets lack any sort of protection or evasion and you have to exile one of your own Merfolk when it enters, but the allure of multiple extra turns is simply too much to ignore