Pro:
* Purpose fulfilling -> works
* After the code is redeemed, you can start playing immediately.
* 1 Euro cheaper (24.99 = 12.50 / month) than if 2 x is purchased for 1 month at Blizzard (25.98 = 12.99 / month)
* Very good processing and quality of the card, good optics -> good gift
Contraindications:
* Not really suitable for gamers on the long-term. The 6-month subscription is at best with 65.94 euros (10.99 / month).
* With different motives could the Gamecards even collect, which they had an additional benefit.
In short:
* Great way for full cost control without subscription access
* Control over their own behavior Games