Does enchant permanent target?

Yes. Guard Duty, like other auras, targets the creature it will enchant when it is a spell on the stack.

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Then, can you attach an aura to a creature with shroud?

Yes. Shroud doesn't remove enchantments, it simply means the creature cannot be targeted. Aura spells only target while they're on the stack. Accordingly, can you play an aura with no creatures? You must be able to select targets for a spell in order to cast it, so you can't cast an enchant creature if there are no creatures on the battlefield. into its owner's graveyard instead of entering the battlefield.

Accordingly, what happens when you return an aura to the battlefield?

Whenever an Aura or Equipment you control is put into a graveyard from the battlefield, you may return that card to its owner's hand at the beginning of the next end step. What is flash in Magic The Gathering? Flash is a keyword ability which allows the card it is printed on to be cast at any time you could cast an Instant.

Is enchant creature an ability?

Enchant is a keyword ability that restricts what an Aura can target and be attached to. One may also ask are lands permanents in magic? Although lands do count as permanents, they don't have a color. A card's color is defined by the symbols in the mana cost, and since lands have no mana cost, they are colorless. Lands can be given a color by other effects, such as Deathlace, but by default, they have no color.