For those who don't know, on Legacy Console Edition you can have multiple dragon eggs on survival. Just kill the ender dragon, get the egg, reset the end, and kill it again.
Legacy Console Edition – Minecraft Wiki
Biggest Minecraft: Console Edition Update of All Time Launches Today - Xbox Wire
Legacy Console Edition exclusive features – Minecraft Wiki
Minecraft: Console Edition Gets New Patch Ahead Of Better Together Update | Player.One
Minecraft: Xbox 360 Edition - The Cutting Room Floor
Explore the World of Minecraft with Xbox One S Minecraft Favorites Bundle - Xbox Wire