These cards consist of: Heroic Intervention, Teferi's Protection, Lightning Greaves, Rienne, Angel of Rebirth, Shalai, Voice of Plenty, and Saffi Eriksdotter
According to Blakfishy, this new Shadowborn Apostle was reportedly found as the bonus card for the Showcase: March of the Machine Vol
Note that this will answer the +1/+1 counter from your undying dork to bring it back once more, or to cancel +1/+1 on opposing stuff or Commanders
It will mostly be used in G/R Ramp style decks alongside Hour of Promise as a somewhat inefficient removal spell that doubles as a finisher against control decks, but I could also see red aggro decks that play it in their sideboard for the control matchup because of one card: Settle the Wreckage
For starters, Lions Eye Diamond was officially power-level erratad, in order to restore some semblance of sanity to the format
Killing large swaths of creatures will net you a ton of Treasure tokens , and unless your opponents have a way to get rid of it you'll be winning the game on your upkeep
