You search for legendary ocean, or just have it already. Play it on the field.
Throw down the emperor penguin.
Tribute it and bam. You can take a level 2 xyz, a level 3 xyz or a level 4 xyz based on the situation. Most Xyz generators require a specific. This has more room. Then if you also throw in some rescue rabbits, and some tour guides. You can make a legitimate penguin/dinosaur Xyz deck. ^.^