Game mode suggestion: Rift

I want to see what people think about this game mode i want to present. With all these spiritual being converging into the rift (even death itself), it must really have something powerfull in it, enough to keep Baron Nashor and a Dragon tied there, so I though "Why not create a game mode that shows us what's there?"

-This game mode will be played in the Summoner Rift, with normal rules, in the middle of middle lane there is a huge crystal similar to the Nexus.

-Sometimes, a jungle monster (including Baron and Dragon), or a random minion, will spawn with a rift shard over its head, marking it and giving it a slight boost in statistics overall. Random portals connecting two places of the rift (like Bard's e) will appear sometimes. Parallel versions of some champions (for example, a Teemo with any of his skins) might appear as ghost (intermediate bot AI) in the jungle or lanes, walking randomly and attacking any player on sight, they can be really powerful, but they die easily.

-When someone kills a minion or monster with a shard, it gets the shard, that gives him a slight bonus (1% to a random characteristic), the amount of shards a champion can hold is infinite, but it drops them all on death, giving it to the champion that killed it or stepped over the dropped cristals in case of execution.

-The nexus is protected by an arcane magic, only a ancient and powerfull creature can damage it, the only way to summon it is giving a x amount of shards to the crystal in the center of the Rift, every team can donnate shards, but the one that gave the last shard by autoattacking the crystal will get its help.

-This monster (maybe a titan or a ur-dragon) will feed on mana, energy, rage, windshield, all and every resource, these will fuel the spells or give him special abilities, it must be always chained in a 700 radius to a champion, draining its energy resource second by second (no riven or garen, they won't be able to create the resource chain), if the creature were to stay without energy from its team for long enough, it would become berzerker and attack the two teams until one of them feeds it enough shards to recover control, or they kill it, resetting it to their crystal pedestal and losing the shards that the creature had and the accumulated bonuses.

This was the idea, hope to see what fellow players think about this game mode, might add more details if something remained unclear.