"The king! The king has been murdered! It is regicide! Vault Boy... what did you do? What did... *we* do?"

Fraying Sanity

Enchant player
At the beginning of each end step, enchanted player mills X cards, where X is the number of cards put into their graveyard from anywhere this turn.

Those wound tightest are first to unravel.

Enchant player
At the beginning of each end step, enchanted player puts the top X cards of his or her library into his or her graveyard, where X is the number of cards put into that graveyard from anywhere this turn.

Fallout

"I saw my mind stretch like cloth on a loom,
Warping, twisting toward a deathless doom."
—*A Traveler's Trials*