wow, thats quite an amount of decks you want help on^^ some of them have quite some nice themes in that i like.
I think it would be helpful for potential helpers to know, what you really like about your deck builds and what they should be used for...otherwise people (like me e.g.
) might start to completely rebuild your decks while dropping the theme or aim you actually build them for...
Anyway some comments:
1st deck: mutating zero cost creatures...
i think the empathic bonds are not of much use...during an average game of 10 turns, how many creatures can you play? 4, perhaps 6? not worth it, heals would be better for this build, if you really want some healing. Furthermore, the most urgent point is, that you dont have a steady stream of regrowing creatures...you can only mutate the creatures you draw. Last: you have no ways of creature control, permanent control and defense...must be hard to survive? before offering any detailed help, i come back to the first stuff i mentionend: is the zero cost creature aspect important to you? or is it about creating a mutant army?
2nd: water/aether nymph stall: like it...what are your main problems with this build?
3rd: i am pretty sure there are already builds for light/air crusader decks in the forum. try to find them and compare...flying weapon with additional owls eyes might help (bless flying weapons, endow them for big damage)...remove or upgrade short bows for more damage potential
4th: mono water: was already wrong about commenting about mono water once^^...looks like a pretty solid and balanced build, though...maybe mark of
with some splash air cards?