Multicolor: Locke, Treasure HunterLocke, Treasure Hunter Locke, Treasure HunterLocke, Treasure Hunter is the type of card I love to see thrown into a Standard-power set
It would rate around the middle of this list, if the cards weren't about to rotate out of Core constructed
There are also a wide range of helpful Artifacts, including Equipment, Vehicles, or just general support ones like Lunatic Pandora which can be used to destroy one of your opponent's cards
Doing this also grants 1 Lore token for each item card moved this way, meaning with some proper planning, Belle can get the player a ton of Lore points
Fourteen cards is a lot to get into your graveyard, though there are quite a few good ways to fill your graveyard, so it seems possible
, : Create a token that's a copy of target creature you control