None, since you can't buy them in Ontario.
Loophole: Your legal guardian needs to buy it and you can use it under their direct and constant supervision.
What this means, as indicated above, is that you might get to play in games if you have the legal owner of the gun on the field with you at all times while you operate it.
Supervision means at least eye contact and physical awereness, which is why they need to accompany you.
You can also bitch and whine, get a gun and flash it on this site. However, that means you will never get to play in organised games from here.