How to: Recur Profane Command with Eternal Witness

When I check my Google Analytics account, I find from time to time that visitors have been brought to this site hoping to find out how to use specific cards or card combinations. Clearly, “What should I do with Gifts Ungiven?” is a top hit, and for more on that, I direct you here.
With that in mind, I though it would be nice to have a couple primers on useful interactions, culled intermittently from queries in my Analytics logs. To start that off, I’m going to answer this one:
“How do I repeatedly recur Profane Command with Eternal Witness?”
Click through to the extended entry for more.


So, once again, the question is “How do I repeatedly recur Profane Command with Eternal Witness?”
This is an Extended-legal combination that tends to show up in B/G/x decks.
For reference, here are the two cards:
EternalWitness.jpegProfaneCommand.jpeg
Here are their respective Oracle texts, which are now (obviously) different from the card texts:
When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.
…and…
Choose two