From DominionStrategy Wiki
Trash a card from your hand. If it's an...|
Action card, +2 Cards, +2 Actions
Treasure card, +
Victory card, +2
 Official FAQ
- If you trash a card with multiple types, you get all relevant bonuses; for example if you trash Crown, you get +2 Cards, +2 Actions, and + .
- If you trash a card with no relevant types (such as Curse), you get nothing.
- cards with on-trash effects such as Cultist, Rats, Catacombs, Fortress, Squire, Hunting Grounds, Rocks, Sir Vander
- dual-type cards, like Harem, Nobles, Great Hall, Mill, Island, three of the Castles or Crown
 English versions
|Trash a card from your hand. If it's an... Action card, +2 Cards, +2 Actions. Treasure card, +. Victory card, +2 .||Empires||June 2016|
 Other language versions
 Secret History. For a while it seemed good but you sure weren't too interested in trashing Actions to it. It's nice to have that option sometimes be meaningful.