Don't understand how to play Mercenaries

[Jonius-11264]

I have a video guide on Mercenaries where I (briefly) explain the numbers as Attack and Health:

[Video Guide] Mercenaries - How to Play, Collect and Upgrade

[Hearthstone Mercenaries - How to Play, Collect and Upgrade your Mercs!] Mercenaries, the new Hearthstone game mode, is upon us! Are you, or someone you know wondering what it is? Form your party of up to 6 Mercenary characters - and take down bounties to earn rewards and upgrade your Mercs! This video will help you answer those questions: What is Mercenaries? How do I get stuff to upgrade my Mercs? Mercenaries Packs? What do I get in my Mercenaries Packs? Completing Bounties H…

At around 2:15

@Moofits-1226

Should I be looking at guides on how to play regular Hearthstone?

Knowing other Hearthstone modes does help. Any other Hearthstone mode (Battlegrounds, regular Hearthstone, Arena etc) has the same Attack and Health concept on their minions.