There is a specific breeding pair for the latest event arrival. But cloning will give you a much better chance to breed a Corsair dragon.
Yarr + Djinni Dragon
There are 6 primary elements in this breeding combo; plant, earth, lightning, water, air & metal.
Corsair has a 4.15% breeding chance, which drops by 2% with all the fails. 33 attempts required for a 50/50 shot. 12.77 hours average fail time, means 17.56 days for an even money chance to breed a Corsair dragon.
Corsair + Iron
Corsair does not share