After playing around with different sets, a pegasus focus seemed to be the most smooth for this deck
And power creep, too: Oscorp Industries is a Crumbling Necropolis that you can also mayhem into play after you discard it
I've always wanted to grade some of my cards but didn't want to pay for that many at once
When combined with a card like Swift Reconfiguration, you transform the Medic into an artifact vehicle, so putting -1/-1 counters on it does nothing unless you try to crew it
You can see examples in both the Marshtomp and Larion cards
Honorable Mention: Titania, Gaea Incarnate Titania, Gaea Incarnate is a meld case in which Titania, Voice of Gaea and Argoth, Sanctum of Nature do not animate a land, but Titania, Gaea Incarnate does