Gloucester fly-half Freddie Burns has been called into the England squad as an injury replacement for Toby Flood.
Flood was cleared of a broken toe after England's 16-15 defeat to South Africa but he is expected to miss next Saturday's clash with New Zealand.
Burns has been in sensational form for Gloucester this season and is seen by many pundits - including Sky Sports' Stuart Barnes - as the creative spark that England need.
Burns was joined in the England camp today by Bath wing Tom Biggs, who received his first senior call-up after Ugo Monye suffered a calf injury.
Gloucester prop Nick Wood also linked up with England to act as precautionary cover for Alex Corbisiero.
Lancaster said: "Freddie has been in for two of the last three weeks (as injury cover for Jordan Turner-Hall) so we know what he can bring and Nick Wood will provide cover as we manage Alex's knee at the start of the week.
"Toby Flood's toe has been re-examined and there is no bone broken but we will need to see how it settles down over the next 24 hours."
If Flood is ruled out Owen Farrell is likely to start at fly-half against the All Blacks, with Burns as back-up on the bench.