Ranked noob proof update suggestion

1. Create a lane mastery system, similar to the champion mastery system.
2. Only let players play Ranked if they pass on the following: a) Level 3 mastery in at least 3 champions. b) Level 3 mastery in at least 2 lanes. c) At least 3 games in every role.

It'll be like in-game pre-ranked missions. This will encourage more normals, and an over all more skilled Ranked play. Also a little diversifying. An epiphany of the sort; thoughts?

EDIT: It will also slow down the botting, because now they need to do extra work to get them to ranked.