MTGO doesn't really have the same meta as paper magic most of the time. If you play in-store, paper Magic's meta is mostly based off the last tournament. If you play in tournaments, there's a specific meta (actually, a bunch of mini-metas) created by team-oriented testing environments and the desire to hide information. MTGO's meta is somewhere in between: it often isn't "current" to the upcoming tournament meta, but it's usually not as dated as the last tournament's results, either, largely due to the number of tournament players that use it extensively for individual testing.
Basically: LGS Magic tends to be an old and fairly diffuse meta where you might see some decks from the tournament/MTGO meta, MTGO is a somewhat more experimental meta but due to sheer averages will have a much more similar proportion of meta decks tot he tournament meta, and the Tournament meta is a much narrower slice of MTGO's meta and often has very different decklists as a result, since generally people are only really preparing for 3-4 different decks and often focusing heavily on the mirror match.
