CGC experts have authenticated only six of these cards
Returning Mechanic: Delirium After a few appearances in sets like Modern Horizons 2 and Mystery Booster 2, delirium is back in Standard for the first time since Eldritch Moon in 2016, and suddenly all the recent graveyard mechanics makes a lot more sense
Night March blew up the format, Battle Compressor sped things up, and VS Seeker made comebacks too easy
The schemes that most benefits from Aminatou, Veil Piercer is Time Bends to My Will, which gives you an extra turn but does not allow you to untap on that turn
You will see how that truly matters
And actually letting you do 9 or more would be a way to have a card that purposely not meant to retreat would be interesting too (I don't know how much would be too much to show on screen though, 5 might be enough)