Curse of Leeches // Leeching Lurker

Curse of Leeches

two generic mana one black mana Enchantment — Aura Curse

Enchant player

As this permanent transforms into Curse of Leeches, attach it to a player.

At the beginning of enchanted player's upkeep, they lose 1 life and you gain 1 life.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Leeching Lurker

Creature — Leech HorrorPower and toughness4/4

Lifelink

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

First darkness falls. Then it burrows in.

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0.30 $

Foil 0.40 $

15 printings · up to 0.39 $

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Curse of Leeches // Leeching Lurker rulings

2021-09-24
If it is night, and the active player of the previous turn cast two or more spells during their turn, it becomes day.
2021-09-24
Day and night are designations that the game itself can have. The game starts as neither. Once the game becomes day (or less commonly, night), the game will be exactly one of them—day or night—going back and forth for the rest of the game.
2021-09-24
If it is day, and the active player of the previous turn cast no spells during their turn, it becomes night.
2021-09-24
After Curse of Leeches transforms into Leeching Lurker, it will become unattached from the player it's attached to as a state-based action.
2021-09-24
If it's neither day nor night, and a creature with daybound and a creature with nightbound somehow appear on the battlefield at the same time, it becomes day. The creature with nightbound will transform.
2021-09-24
Double-faced permanents with daybound transform to their nightbound faces as it becomes night. Similarly, double-faced permanents with nightbound transform to their daybound faces as it becomes day. This happens immediately and is not a state-based action. It happens any time it becomes day or night, not just during the untap step.
2021-09-24
If it is night, permanents with daybound that enter the battlefield without being cast will enter with their nightbound faces up.
2021-09-24
If you cast Curse of Leeches while it is night, you must still choose a target player, and that player must be a legal target as Curse of Leeches resolves. It enters the battlefield transformed and is not attached to that player.
2021-09-24
Attaching Curse of Leeches as it transforms doesn't target a player, so it can be attached to a player with hexproof this way.
2021-09-24
Permanents with daybound and nightbound can't transform via any means other than their daybound and nightbound abilities. Notably, older cards such as Moonmist that instruct a player to transform permanents don't affect permanents with daybound or nightbound.
2021-09-24
Before a player untaps their permanents during the untap step, the game checks to see if the day/night designation should change.
2021-09-24
If you cast a spell with daybound during night, that spell will be front face up (that is, daybound face up) on the stack. However, it will enter the battlefield with its back face up (that is, with its nightbound face up). It won't enter with its daybound face up and then transform.

Curse of Leeches // Leeching Lurker keyword rules

Lifelink Rule 702.15

Lifelink is a static ability.

Damage dealt by a source with lifelink causes that source’s controller, or its owner if it has no controller, to gain that much life (in addition to any other results that damage causes). See rule .

If an object changes zones before an effect causes it to deal damage, its last known information is used to determine whether it had lifelink.

The lifelink rules function no matter what zone an object with lifelink deals damage from.

If multiple sources with lifelink deal damage at the same time, they cause separate life gain events (see rules –10).

Multiple instances of lifelink on the same object are redundant.

To transform a permanent, turn it over so that its other face is up. Only transforming tokens and permanents represented by transforming double-faced cards can transform. (See rule , “Double-Faced Cards.”)

Although transforming a permanent uses the same physical action as turning a permanent face up or face down, they are different game actions. Abilities that trigger when a permanent is turned face down won’t trigger when that permanent transforms, and so on.

If a spell or ability instructs a player to transform a permanent that isn’t represented by a transforming token or a transforming double-faced card, nothing happens.

If a spell or ability instructs a player to transform a permanent, and the face that permanent would transform into is represented by an instant or sorcery card face, or is a transforming token that was created with an instant or sorcery face, nothing happens.

Some triggered abilities trigger when an object “transforms into” an object with a specified characteristic. Such an ability triggers if the object either transforms or converts (see rule ) and has the specified characteristic immediately after it does so.

If an activated or triggered ability of a permanent that isn’t a delayed triggered ability of that permanent tries to transform it, the permanent does so only if it hasn’t transformed or converted since the ability was put onto the stack. If a delayed triggered ability of a permanent tries to transform that permanent, the permanent does so only if it hasn’t transformed or converted since that delayed triggered ability was created. In both cases, if the permanent has already transformed or converted, an instruction to do either is ignored.

Some spells and abilities refer to a “transformed permanent.” This phrase refers to a permanent on the battlefield with its back face up that’s also a transforming double-faced card or a transforming token. A permanent with its front face up is never considered a transformed permanent, even if it had its back face up previously.

Enchant Rule 702.5

Enchant is a static ability, written “Enchant [object or player].” The enchant ability restricts what an Aura spell can target and what an Aura can enchant.

For more information about Auras, see rule , “Enchantments.”

If an Aura has multiple instances of enchant, all of them apply. The Aura’s target must follow the restrictions from all the instances of enchant. The Aura can enchant only objects or players that match all of its enchant abilities.

Auras that can enchant a player can target and be attached to players. Such Auras can’t target permanents and can’t be attached to permanents.