mtg serialized cards march of the machines Elesh Norn // Argent Etchings (Serialized) [March the Machine] A Collector's Guide to Magic:

While you can find plenty of good options if you run Delney in the command zone, there are even more to choose from if you add other colors

4 Deadly Cover-Up Wipe The Board And Your Opponents Memory Sometimes very specific effects in Magic can only see the light of play when they come attached to other, more maindeckable cards

To quote Fat Albert if you stick around, you might just learn something. (I think I just pre-referenced my term for making a cultural reference before the time of the person you're talking/writing to most of my audience

In my third game of Commander, I switched to a life gain deck (Eriette of the Charmed That speaks to the design of MTG: Duskmourn