[quote='Aazrl' pid='8285' dateline='1437422564']
I would rather see a promo spell, that you actually have to look at it. For instance Surge or Light, Eruption, Nasty Suprise, Coldsnap etc.
[/quote]
I believe that if we make a promo spell that it must be "visible". It must be a spell where you can actually notice that it is promo, a spell that lasts for a while and isn't just 1 sec long.
This being said, I will give some examples of cards that I think would be ok/look nice if we made a promo from:
Thunderstorm, shield building, regrowth, nether warp, mine, home soil, hurricane etc... Spells that last a few seconds.