It's inevitable that Chronicle: RuneScape Legends will be compared to Hearthstone. What free-to-play card game won't, in this day and age?
The difference is that you're playing your hand of cards against yourself as well as your opponent. After placing up to four cards on the game board, your character proceeds to smash through whatever you've laid out for them, reaping the rewards and occasionally suffering the damages.
At the end of five chapters of play, ideally your character will be built up enough to take out your opponent in one-on-one combat. But there are chances before that to destroy them, as you'll see in this video. I walk Tara Long through a demo of Chronicle: RuneScape Legends, playing as the mage Ariane against Ozan the thief. Tara's superior knowledge of digital card games is no match for my willful ignorance and pride.
Chronicle: RuneScape Legends is free to play, and is currently in open beta for Windows PC.