I want to suggest that white can use copying to address some of its currently perceived problems, that white using copying can help reinforce its flavour without undermining its weaknesses, and that white using copying gives more room for this interesting effect to be used more often and in more rarities
The Aluren decks might readjust to use Recruiter of the Guard (perhaps with Arctic Merfolk?), but it cannot fetch Painters Servant and those decks will probably keep using Imperial Recruiter
In those cases, the owner of the permanent puts all those cards second from the top (that is, just under the top card) or on the bottom in any order
M10 Magic 2010 202 - Common - English EN Card Name Mana Cost Type Instant Rarity Common rules Text Regenerate target creature
Most of these are very budget friendly with the exception of Fabled Passage, Prismatic Vista and Thawing Glaciers
As a very general rule for Limited, I would look to play something like this: 1 mana: 02 2 mana: 46 3 mana: 35 4 mana: 24 5 mana 13 6+ mana: 02 That's far from set in stone, but it's a good place to start