Ast rework

[Marc-Vigar]

AST doesn't need a rework, just a careful review on some stuff.

- Nocturnal sect needs a buff, incresing shields given and decreasing MP cost to make it competitive with Diurnal.

- Card system needs to be simplified, there are too many spells that are straight useless (Undraw), underwhelming (Divination) or could be changed after use (Draw -> Play). I'd rather have 4 cards with critical hit, direct hit, skill/spell speed and a damage buff.

- Damage is really low, this is theorically compensated with card buffs but it doesn't feel like its worth the tradeoff.

[Seoulstar]

AST doesn't need a rework, just a careful review on some stuff.
- Card system needs to be simplified, there are too many spells that are straight useless (Undraw), underwhelming (Divination) or could be changed after use (Draw -> Play). I'd rather have 4 cards with critical hit, direct hit, skill/spell speed and a damage buff.

I think one of the main issues now is that the cards have been oversimplified.