Tannon's Palm-Sized Portal

This spell creates a small portal near to the user's hand. The portal can be used in three different ways:

• Palm-Sized Periscope: The palm-sized portal opens onto a space up to 30 feet away. The spell can pass in a straight line through walls, and be maneuvered in non-linear paths around corners. Creatures on the caster's side of the portal can look through it and see what lies on the other side of the portal. The portal is opaque when viewed from the other side and lasts until dispelled.
• Palm-Sized Pickpocket: The portal opens next to a clearly visible object up to 30 feet away, such as a key on a chain or a wallet sticking out of a pocket. If the object is not worn or carried, the caster may grab it and take it through the portal. If the object is worn or carried, the caster may put their hand through the portal and make a Dexterity (Sleight of Hand) check contested by the owner's Wisdom (Perception) check to snag the item and pull it through the portal unseen. If this spell is cast while the owner is observing you, the check becomes contested Strength (Athletics) to wrest the item from its owner's grasp. Whether the object is obtained or not, the portal is dispelled after such an action.
• Palm-Sized Power Line: The portal opens to a space up to 30 feet away, and on their turn an allied character can make a ranged weapon attack or ranged spell attack through the portal; the distance traveled from the caster to one side of the portal is normal, but the spell can cover the distance between the two portals without losing any range. This effectively increases the range of the spell. Should the portal emerge within the original range of the spell but from a different direction, the allied character gains advantage on the roll as they strike from an unexpected angle. A ranged attack roll passing through the portal dispels it.