Big games

[NuclearChicken]

In a big game if  {Oblivion Ring} someone's creature and I end up losing first do they he the creature back? Or does it remain in exile? Was wondering how FFA  worked.

[Keyeto]

They will get their creature back. Here's your ruling, with the relevant example:

800.4a: When a player leaves the game, all objects (see rule 109) owned by that player leave the game and any effects which give that player control of any objects or players end. Then, if that player controlled any objects on the stack not represented by cards, those objects cease to exist. Then, if there are any objects still controlled by that player, those objects are exiled. This is not a state-based action. It happens as soon as the player leaves the game. If the player who left the game had priority at the time he or she left, priority passes to the next player in turn order who's still in the game.
Example: Alex casts Mind Control, an Aura that reads, "You control enchanted creature," on Bianca's Assault Griffin. If Alex leaves the game, so does Mind Control, and Assault Griffin reverts to Bianca's control. If, instead, Bianca leaves the game, so does Assault Griffin, and Mind Control is put into Alex's graveyard.

RESOLVED

[NuclearChicken]

What about clone and other copy things.

[Keyeto]

What about clone and other copy things.

Once something is a copy of another permanent, that permanent does not need to stay in play for the clone to remain a copy of it. If you {Clone} a player's creature and they lose, your clone is unaffected.

[Keyeto]

Doesn't a player control his deck and graveyard?  So when that player dies, his graveyard and deck are exiled?

Correct. Nothing can be done to a library/graveyard of a player that is no longer in the game.