Guide to the Echo mechanic (Hearthstone The Witchwood) | Old Guardian's blog
Peter Whalen Goes in Depth About Hearthstone's Echo Mechanic and Reveals Two New Cards - mxdwn Games
Echo Mechanics Update - SN1P-SN4P, Sound the Bells! and Glinda Crowskin Refunds! - Out of Cards
Peter Whalen discusses Hearthstone keyword Echo, and reveals more new cards
The Witchwood - Hearthstone
Can we talk about this keyword "echo" that is way to similar to "repeatable this turn" : r/hearthstone
Echo - Hearthstone Wiki
Tribute" to Echo of Medivh | Hearthstone Amino
Echo - Hearthstone Wiki
Hearthstone The Witchwood: Two cards revealed and Echo explained | Daily Mail Online
Witchwood's final cards and everything else we know about Hearthstone's expansion
Hearthstone update includes Sylvannas hero portrait, Echo mechanic rework, shop overhaul - Inven Global
How Does Echo in Hearthstone affect the Meta? - Esports Talk
Hearthstone: What is the Echo Mechanic? | Esports Edition
Blizzard explains just exactly what Echo does in HearthStone's next expansion - PowerUp!
What's the point of introducing keywords if you don't plan on continuing to use them? The argument of “this will be the only echo card in standard in a year” is erroneous
Guide to the Echo mechanic (Hearthstone The Witchwood) | Old Guardian's blog
Hearthstone channels found-footage horror and announces the newest expansion -- The Witchwood! - Inven Global
Ben Brode Chats About Rejected 'Hearthstone: The Witchwood' Mechanics
Get Spooky with the Echo Keyword from Hearthstone: The Witchwood
Sound the Bells! - Hearthstone Wiki
Echo Archives - Hearthstone Top Decks
