Whenever a permanent becomes untapped, that permanent's controller mills a card.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, any number of target players each mill two cards. If you're the monarch, each of those players mills ten cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

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.

Whenever you draw a card, each opponent mills two cards.

Whenever you draw a card, target opponent mills two cards. If two nonland cards that share a color were milled this way, repeat this process. {5}{U}: Draw a card, then discard a card.

Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy.

Return target creature to its owner's hand. If its mana value was 3 or less, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Shuffle all cards from your graveyard into your library. Target player mills that many cards.

Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more.