It's Dominion: Hogwarts edition!
Fawkes
$4 Action
+1 card
+1 action
Reveal the top card of your deck. If it's a Treasure, put it into your hand. If it's a Curse card, trash this and the Curse.
When you trash this, put it on top of your deck.
Chosen One
$5 Action - Reaction
+1 card
+1 action
+1 coin
When another player plays an attack, you may reveal your hand. If you revealed exactly one Chosen One, you are unaffected b the attack.
Common Room
$2 Action
+1 action
You may play an action card from your hand. If you did, +1 card.
Chamber of Secrets
$4 Action - Attack
Discard any number of cards. +1$ per card discarded.
Each other player draws two cards and reveals his hand. You choose two cards that he has to put on top of his deck.
Room of Requirement
$3 Action - Reaction
Draw up to 5 cards in hand.
Gains buys until you have two buys.
During your action phase, when you have no actions left, you may discard this from your hand. If you do, +1 action.
Polyjuice Potion
$PP Action - Treasure
Play this as if it were an Action or Treasure card in the Supply that you choose.
This is that card until it leaves play.
Felix Felicis
$8P Action
At the start of your next turn, trash this.
While this is in play, when you would draw a card, instead do this: Name a card. Reveal cards from your deck until you reveal the named card. Put the card in your hand and discard the rest.
Half-Blood Prince
$4P Action
You may set this aside. If you do, set aside an Treasure card from your hand costing up to $5. At the start of each of your turns, play that Treasure, setting it aside again when you discard it from play. (Stop playing it if you fail to set it aside on a turn you play it.)
Quidditch Tournament
$3 Event
+1 buy
Each player may reveal a Snitch from his hand. Each player who did may gain a Prize from the Prize pile, in turn order.
In games using this, at the start of the game, each player chooses a supply pile and shuffles a Snitch card into it (in turn order).
Snitch
$3* Treasure
$4
Shuffle this into a supply pile of your choice.
This is not a supply pile.
Triwizard Tournament Cup
$0* Treasure - Prize
$3
When you gain this, trash your hand.