mtg black self mill cards Mono Lurrus Self-Mill More pro-self-mill cards with benefits?

Wizards of the Coast previously revealed that Spider-Man would be entirely reskinned as part of an initiative called "Through the Omenpaths" for its online releases

Kefnet the Mindful Even if you ignore the activated ability, Kefnet the Mindful can be a 5/5 indestructible flier in decks that want to play with an overflowing hand

Just straight up removal on your doubling effect

But with the understanding that all these decks need to be upgraded, I think Id have to go with Token Triumph as the best cEDH precon

This blade of Arthurian legend gives a creature +10/+0 and vigilance, and its cost of 12 mana is brought down by the total mana value of historic permanents you control