Potential Circumstances for a Return : Even if card advantage no longer matters, there has to be a point where cards become an exception
#7 Anything from Rebecca Guay, but I will use Mana Breach as the example
Not only can it get forces through on the first cast (Something youll want to be doing a lot of, connecting with encoded creatures) but it can be used to blink friendly creatures to enjoy enter the battlefield effects, kill tokens, remove negative enchantments on your own creatures and beneficial ones on the opponent's line, and untapping friendly creatures to have them around to block
In a similar vein, X spells are very versatile
D- Corpse Blockade With Dimirs slow speed and high casting costs and the deliberate attrition methodology of the Orzhov, both guilds will want to seek out this defensive zombie for critical early game survival against more aggressive guilds
Thats very good to stabilize a board by itself, like Ishkanah, Grafwidow would do 10 years ago