Black Lotus is once again the king of the Magic: The Gathering collector's market, and it's difficult to see anything else beating that record any time soon.
Both modes are relevant before she flips
1 Blasphemous Act Is the Best Board Wipe Since It's Often So Cheap Black and white mana are the main board wipe color with cards like Damnation and Farewell, but it's actually red mana that has the format's most widely used and popular board wipe, Blasphemous Act
Ruin Grinder Tying Ruin Grinders wheel effect to a death trigger makes it ineffective, but being an artifact and having mountaincycling makes it a fine tech piece for graveyard-based artifact decks, like Daretti, Scrap Savant or Osgir, the Reconstructor
So you've filled your opponent's graveyard with artifacts
It has great synergy with creatures and counters, so Id expect it to do some crazy things