If you want your deck to be competitive, chances are you'll have plenty of these in play
"Pay 1 life, Sacrifice this land: Search your library for a [basic land type(s)] card, put it onto the battlefield, then shuffle." A fetch land in MTG is a land that lets you sacrifice it to search your library for a land with the specified land type(s) and put that land onto the battlefield
Of course, the cards you end up crafting will depend on which ones you care the most about, the pack-opening strategy you have, and the type of deck you're building
There are other exclusions to be considered as well
Alongside their pricing history, Ill explain why each one has a permanent spot in my collection
Finally, something harmless..." Norin the Wary Players were similarly amused