  We study the compactification of 5d SCFTs to 4d on a circle with a twist in a
discrete global symmetry element of these SCFTs. We present evidence that this
leads to various 4d N=2 isolated SCFTs. These include many known theories as
well as seemingly new ones. The known theories include the recently discovered
rank 1 SU(4) SCFT and its mass deformations. One application of the new SCFTs
is in the dual descriptions of the 4d gauge theory SU(N)+1S+(N-2)F. Also
interesting is the appearance of a theory with rank 1 and $F_4$ global
symmetry.
