There were a few decklists running it in Pro Tour Aetherdrift at the weekend, and it's also been sighted in Modern Challenges, as well as even older formats
Tree of Perdition + Tree of Redemption Tree of Perdition and its cousin Tree of Redemption are both 0/13 defenders that can trade either your opponents or your own life total with their toughness
each a 35-card pack themed around the horror factions of Innistrad
Im not sure which finish feels more like a real Magic card, but the fact that theyre experimenting with things on this level suggests that things have already progressed past the point of truly obvious fakes
Ragnarok, Divine Deliverance Color Indicator: Black and Green Legendary Creature Beast Avatar Vigilance, menace, trample, reach, haste When Ragnarok dies, destroy target permanent and return target nonlegendary permanent card from your graveyard to the battlefield
Bloom Tender, Hexing Squelcher, Formidable Speaker, and Moonshadow are some of the other choice cards, but a lot of whats going on here is typal, so its specific to the archetype youre building