Dominion (Card Game) Wiki
Type Action
Effect Trash a Copper card from your hand. If you do, +3 Coins.
Cost 4 Coins
Set Dominion: Base Set
Illustration Matthias Catrein

Additional Rules from the Rulebook[]

If you do not have a Copper in your hand to trash, you don't get the +3 coins to spend in the Buy phase.

The Secret History of Moneylender[]

In an article on Board Game Geek, Donald X. Vaccarino commented on the development of Moneylender:

An old card that I don't think ever changed.[1]