Not really...
Once they get out of spawn, they'll still have the effect for A LONG time, since the effect lasts for 11 days.
Don't think any one's gonna be playing for 11 days straight on your server.
What you should do is put it on 1 second, or some short duration and run it on a clock (like a beacon)
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Yea that's actually a pretty good idea
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"/effect @a[r=300] minecraft:saturation 10 1000000"
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/testfor @p[r=(radius here)] And then be connected to a block that applies that effect.
All you have to do is set up a simple clock, and a reset button of sorts. See if this helps!
http://mcezminecraftez.weebly.com/
1
Or you could give them a chest that when placed has the items in
/give @p chest 1 0 {BlockEntityTag:{Items:[{id:iron_axe,Count:1,Slot:0},{id:log,Count:16,Slot:10}]}
You can add other tags like name and enchantment after the count and slot. Also visit my blog I have a few tutorials on this
http://mcezminecraftez.weebly.com/