Sources that produce a binary that on amd64 has a newer binNMU version:
(should be updated for multiarch installability, or to grab whatever the amd64 version was rebuilt against.)
srcjessiebin
belle-sip1.3.0-1.11.3.0-1.1+b1
binutils-arm-none-eabi52.25-5+5+b1
binutils-z8042.25-5+4+b1
gargoyle-free2011.1a-22011.1a-2+b2
gst-plugins-ugly1.01.4.4-21.4.4-2+b1
libclass-xsaccessor-perl1.19-21.19-2+b4
libcommon-sense-perl3.73-23.73-2+b3
libdevel-cover-perl1.17-11.17-1+b2
libmarpa-r2-perl2.086000~dfsg-42.086000~dfsg-4+b1
libpar-packer-perl1.022-11.022-1+b2
lincity-ng2.0-42.0-4+b1
ppl1:1.1-31:1.1-3+b1
shotwell0.20.1-10.20.1-1+b1
sound-juicer3.14.0-13.14.0-1+b1
tulip4.6.0dfsg-24.6.0dfsg-2+b5
yorick-av0.0.3-30.0.3-3+b1
(16 total)
Unfortunately, we can't bring amd64 versions up to date when the converse is true.