Enjoy your games, and dont be afraid to experiment.
You can preorder the set now through your local game store, online retailers like Amazon, and elsewhere Magic products are sold.
Exsanguinator Cavalry A 2/3 with some relevant evergreen keywords and a conditional advantage-generator is about the bog standard for Commander rares
Theres enough cost reduction and free spell-casting in Eternal formats that this might make the cut somewhere, but I wouldnt get too excited about my 3-mana counterspells lining up against Force of Will and friends in Legacy and beyond
He learns of the Jenova project to resurrect the ancients, eventually understanding what would end up resulting in his creation
The face commander is Kalamax, the Stormsire, a 4/4 Elemental Dinosaur for just four mana