Wondrous item

Wondrous item, rare. When a potion or other liquid is poured into the bottle, the contents and effects appear on the blank label in Common. If broken, it loses this identifying magic and functions as an improvised weapon with a +2 bonus to attack rolls and damage rolls.

Wondrous item, uncommon, requires attunement. This gold coin always lands heads up when flipped, and while attuned to it you can summon it to your palm at will.

Wondrous item, uncommon. While closed and empty, the stein fills with a named non-magical ale, beer, or mead that the owner has had before.

Wondrous item, rare to legendary. You have a bonus to AC while unarmored and wearing this garment, determined by the item rarity.

Wondrous item, rare, requires attunement. After you make an ability check, attack roll, or saving throw, but before the DM declares success or failure, you can expend 1 charge to reroll the d20. The dice can hold up to 7 charges and regain 1d6 + 1 charges each week. They also grant advantage on ability checks made to determine the winner of dice games.

Wondrous item, rare, requires attunement. Whenever you gain temporary hit points, you gain an additional 1d6 temporary hit points.

Wondrous item, uncommon to very rare. A beast wearing this collar gains a bonus to unarmed strike attack and damage rolls, determined by rarity.

Wondrous item, uncommon to very rare. A beast wearing this collar gains a bonus to AC and saving throws, determined by rarity.

Wondrous item, rare. You can use an action to blow the whistle and cast conjure animals, choosing only two dire wolves or eight wolves. You do not maintain concentration, but the duration is 10 minutes instead of 1 hour. This magic cannot be used again until dawn.