League Map levels

As a proponent of dynamic queues, this is possibly another bad idea (I still think dqs were good in concept):

The Summoner's rift map could change slightly per tier. Nothing too drastic, but something to showcase the skill that players generally have at that tier.

• Rift Harold has an extra little creep with it per tier. Can be killed for buff without killing creeps, similar to jungle camps.
• Dragons also get extra creeps, but won't respawn unless cleared.
• Baron gets a similar creep buff. Baron returns to the Void if no-one engages it after a period of time. Baron is available in smaller windows of time as the tiers get higher.

Things of this nature.