Terminal Moraine — ruling 1

Because the “search” requires you to find a card with certain characteristics, you don't have to find the card if you don't want to.

Terminal Moraine : règles, fonctionnement et interactions (MTG)

Terminal Moraine 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

: Add . , , Sacrifice this land: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

How it works : Terminal Moraine

Original English text — Wizards of the Coast / Scryfall

#1October 4, 2004· Wizards of the Coast
Because the “search” requires you to find a card with certain characteristics, you don't have to find the card if you don't want to.
No other card is named in this ruling.