Horrors you control have menace. Whenever a Horror you control deals combat damage to a player, that player mills that many cards. At the beginning of your end step, choose target artifact or creature card in an opponent's graveyard that was put there from their library this turn. Put it onto the battlefield under your control.

When this creature enters, you may mill four cards. (You may put the top four cards of your library into your graveyard.) Natural Recovery — When this creature dies, return target land card from your graveyard to your hand.

Each opponent mills fourteen cards. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) When you cycle this card, each opponent mills four cards.

Deathtouch Whenever this creature deals combat damage to a player, they get four rad counters. Whenever a player mills a nonland card, you gain 1 life.

Flying At the beginning of combat on your turn, each player mills three cards.

Whenever this creature attacks, defending player mills ten cards.

{T}: Mill two cards. {2}, Exile this artifact: Shuffle any number of target cards from your graveyard into your library.

{1}, {T}: Any number of target players each mill two cards. (Each of them puts the top two cards of their library into their graveyard.) Exhaust — {2}{U}{U}, {T}: Any number of target players each mill cards equal to the number of cards in their graveyard. (Activate each exhaust ability only once.)

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Mill two cards. You may put a permanent card from among the milled cards into your hand. You gain 2 life. (To mill two cards, put the top two cards of your library into your graveyard.)

The Mindskinner can't be blocked. If a source you control would deal damage to an opponent, prevent that damage and each opponent mills that many cards.

Target player mills half their library, rounded down.

Kicker {U} and/or {B} (You may pay an additional {U} and/or {B} as you cast this spell.) As this creature enters, mill three cards for each time it was kicked. Urborg Lhurgoyf's power is equal to the number of creature cards in your graveyard and its toughness is equal to that number plus 1.

Counter target instant spell.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Draw X cards, then discard a card.

{T}: Untap target Forest.

Add {B}{B}{B}.

{T}: Add {G}.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

{T}: Add {C}{C}.

Landfall — Whenever a land you control enters, you may get two rad counters. {T}: Put target land card in a graveyard that was milled this turn onto the battlefield under your control tapped.

{1}{G}: Return target basic land card from your graveyard to your hand.

As Mimeoplasm enters, exile up to X creature cards from your graveyard. It enters with three +1/+1 counters on it for each creature card exiled this way. {2}: Mimeoplasm becomes a copy of target creature card exiled with it, except it's 0/0 and has this ability.

Return all attacking creatures to their owner's hand.

Choose three. You may choose the same mode more than once. • Counter target spell unless its controller pays {3}. • Return target creature to its owner's hand. • Draw a card.

Counter target noncreature spell.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Counter target spell. Untap up to four lands.