Its just for aesthetics
The concept, inspired by Pokmon creator Satoshi Tajiris childhood love for bug collecting, was centered on a world in which people and creatures called Pokmon, who have a wide variety of special powers, join together to help teach each other about the world and themselves as well as they take on lifes problems and battle against other trainers and their Pokmon
As long as it was common at some point in Magic 's history, it's legal in PEDH
Righteous Valkyrie synergises really nicely with Valkyrie Harbinger, to ensure you have at least a few new Angels entering every turn
30 The rules text of Kami will give everyone at the table consistent card draw ( blues speciality ), ensuring that everyone at the table is hitting their land drops, having cards to play and seeing holy light at your behind
Here are all the banned cards from Historic: Agent of Treachery Blood Moon Brainstorm Channel Commandeer Counterspell Dark Ritual Demonic Tutor Force of Vigor Field of the Dead Intruder Alarm Land Tax Lightning Bolt Mana Drain Memory Lapse Natural Order Necropotence Nexus of Fate Oko, Thief of Crowns Once Upon a Time Ragavan, Nimble Pilferer Reanimate Show and Tell Sneak Attack Spreading Seas Swords to Plowshares Thassa's Oracle Tibalt's Trickery Time Warp Uro, Titan of Nature's Wrath Veil of Summer Wilderness Reclamation The Historic card pool is also used for a version of Brawl