Haunting Echoes — ruling 1

While you’re searching the player’s library, you don’t have to find all the cards with the same name as an exiled card if you don’t want to. You can leave any number of them in that player’s library.

Haunting Echoes : règles, fonctionnement et interactions (MTG)

Haunting Echoes is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Exile all cards from target player's graveyard other than basic land cards. For each card exiled this way, search that player's library for all cards with the same name as that card and exile them. Then that player shuffles.

How it works : Haunting Echoes

Original English text — Wizards of the Coast / Scryfall

#1October 1, 2009· Wizards of the Coast
While you’re searching the player’s library, you don’t have to find all the cards with the same name as an exiled card if you don’t want to. You can leave any number of them in that player’s library.
No other card is named in this ruling.