Chromium, the Mutable Chromium, the Mutable will likely see a decent amount of Standard play as a control mirror-breaker, coming in from the sideboard as a threat that is incredibly difficult to deal with while ending the game quickly
This is very good in constructed formats where you can be more guaranteed that the creature you are getting back is a bomb
If your friend told you they were building a sphinx/wizard/zombie tribal EDH deck, it would probably look something like this
you basically never get to use it
Sun, Aug 30, 3:00pm - 4:00pm West Las Vegas Library - Story Time - Room 167 Families with children of all ages are invited to play with the library's extensive board and card game collection
Rare ICRs (including those obtained from upgraded uncommon ICRs) may upgrade to a mythic rare, the rate of which is dependent on the location it was acquired: Standard ICRs that upgrade from Rare to Mythic Rare are approximately at a rate of 1:8**