a few notes on principles
since I know elements well and I can see what you need I'll leave you a thought
oftend if two you more elements are used at the same time a new element is formed in this case the "wood" element is needed, just think about what is needed for plants to grow and you will see the two needed.
on Syntropy
this is one of my favorites, first you must remember it comes not from the past but the future, it comes into play with the will of the guardians to do a thing not just the effect. two you must remember is "annulment of destruction based on energy consumption" this is not controling how Entropy acts but nullifng the effects. it will not "hold" energy as orchid is saying that follows time and entropy
time
"Time control can be accomplished by juggling with the way in which actions are perceived and understood." this is all I'll say
Imagination and Transposition
can be used together using the "memory" of a guardian who was there before the tree was broken to shape the growth as treehugger started to say
light
"Light, as a symbol and not as a physic phenomenon, is energy, progress, even life" again I'll say no more at this time
I may say more later