But I am waiting for a game, so here's something.
Mystic
+1 Action, +2 Cards
Name a card. Reveal the top card. Of it's the named card, put it I'm your hand.
Catacombs
Look at the top 3 cards of your deck. Choose one: Put them in your hand; or discard them and +3 Cards.
When you trash this, gain a cheaper card.
Storeroom
+1 Buy
Discard any number of cards. +1 Card per card discarded. Discard any number of cards. +1 per card discarded the second time.
Now for my game.