For now, the Battle card type wont be appearing in All Will Be One, nor its Commander and Jumpstart counterparts
The main reason was and is to retain the value of those cards on the secondary market
Learn Rules A keyword action that lets a player add a Lesson card to their hand from outside the game or discard a card to draw a card
Many names of spells, effects, and items come straight out of a Dungeons Masters Guide or Players Handbook: Lightning Bolt Crystal Ball Fireball Phantasmal Forces Clone Invisibility Fabricate Ball Lightning Erase Fear Misdirection Jump Simulacrum Sleep Web Sunstone Shatter Visions Wall of Fire Wall of Stone Wall of Ice Wall of Sand Wall of Bone Pyrotechnics Ice Storm Reincarnate Descent into Madness Dehydration Brand Chain Lightning Entomb Dominate Animate Dead Teleport Resurrection Raise Dead And then you have similar effects like Phantasmal Terrain instead of Hallucinatory Terrain or Phantasmal Mount vs Phantom Steed, Fly vs Flight, etc
So cards like ST06-008-hina and OP02-098-koby can be trashed and then pulled from the Trash through OP05-091-rebecca or OP06-086-gecko-moria
Containment Priest Speaking of constructed cards, Containment Priest is the most important in all of Commander 2014