How to set delayed replication with MariaDB 10.0.11
MASTER_DELAY is not available in MariaDB 10.0.x. You may want to try Percona's pt-slave-delay.

Usage:

pt-slave-delay [OPTION...] SLAVE-HOST [MASTER-HOST]


Example: To hold slavehost one minute behind its master for ten minutes:

pt-slave-delay --delay 1m --interval 15s --run-time 10m slavehost


Source: http://www.percona.com/doc/percona-toolkit/2.1/pt-slave-delay.html