If I correctly understand your question the answer is very simple:
mv crust.etcMC* /home/out
or if `etc` is not literal string, but for example any three characters then:
mv crust.???MC* /home/out
If I correctly understand your question the answer is very simple:
mv crust.etcMC* /home/out
or if `etc` is not literal string, but for example any three characters then:
mv crust.???MC* /home/out