Card not found (Dragons of Tarkir, 2015) tried to push this, but it never really worked out either
Pretty much anything looking to win through combat
Then you can sac it for six mana but not tap it to Tutor and drop an Equipment to the battlefield, like half of a Tooth and Nail - great in the very popular Equipment brews too
Notably, while several cards are getting their first foils here, Sefris of the Hidden Ways is actually much easier to find in foil than nonfoil, simply because it was a commander in an AFR Commander precon
This is different compared to Omo, who needs to be on the battlefield to make the Everything counter relevant
With that in mind, there are a couple really cool printings I want to shout out before wrapping up