While he mills a single card per player, you could activate some other effect that mills cards to widen your pool of potential spells and lands that Coram could cast.
Facilier, and the Evil Queen [Wicked to the Core], and Syndrome), Lotso, and Madam Mim [Bigger and Badder]
Kiki-Jiki, Mirror Breaker + Splinter Twin Splinter Twin might be the most famous token producer in Magic thanks to its combo dominance alongside Pestermite and Deceiver Exarch, but Kiki-Jiki, Mirror Breaker isnt far behind
In a blue-red deck, if this card survives, you get to do nice things like draw a bunch of cards or deal a lot of damage via burn spells
1 Windreader Sphinx
Spell Statistics Lets return to our initial question, but amend it to be more exact