Sun Ke, the Puppet Emperor

At the beginning of combat you may sacrifice
Sun Ke, the Puppet Emperor, if you do,
activated and triggered abilities you control
trigger an additional time until the end of turn.
"The poor young princeling will never be ready for the responsibility of ruling in the wake of his father's
tragic death, I will guide him and the empire into an
era of prosperity." - Wu Tong, Imperial Advisor