Spectromancer

Once you have mastered all 16 types of special classes of the full game, you can just select random (and random) for your deck (and your opponent's, if you are playing singleplayer) to see if you can win with any deck, providing unlimited gameplay value.

The campaign structure also helps players explore different mage classes and elemental combinations without the pressure of competitive play, making it an effective training ground before stepping into multiplayer.

In multiplayer, those who buy the expansions and use the newer classes have massive advantages.

The rules are original and fun, you can set up various win conditions to strive for and just matches against the AI can be really hard and fun on the hardest difficulty.

Its emphasis on tactical clarity, class variety, and replayable duels gives it a timeless quality that continues to resonate with strategy enthusiasts.

Richard Garfield and Co. have designed a very interesting take on a combat card game with fixes to long-standing issues of the genre.