I love Ryze as well, and am here to help! So. This is how I play him, and you may adapt your own plastyle over time. Walking into lane, I get E first, and spam it on the casters to clear them out, pushing the minions into the turret. Basically, every lane is a farm lane unless you see an opportunity to trade with your opponent. Roaming can also be good as long as you know the tradeoffs. For skill max, I go: E first, Q second, W third and then Q>E>W and put a point into ult whenever I can. For summoner spells, I take
to keep in range of my target and to re-position when I get caught out. Since combos are a core to Ryze's gameplay, I should probably share those as well:
Waveclear: E+E+Q
To kite/escape a gank/GOTTA GO FAST!: E+W+Q.
Max DPS: Q+E+Q+W+Q+E+Q (Your W and E reset the cooldown of your Q, but you lose the movespeed and shield for more DPS)
I take Thunderlords for the extra burst, but Stormraiders can work as well if you like to go fast. For items, the standard build is
>
>
>
>
>
>
This is a short little guide, and hope it helps you out a little bit.