Both of these Locations don't have a unique ability, but they ease the player into using them by being cheap, ink cost-wise, while also gaining you one lore at the start of your turn, so long as the locations stay on the field
This is true even if a rule or effect allows a sorcery to be cast at another time
Play Arcanum : Until end of turn, you may play cards exiled with Urianger Augurelt
"Commander ninjutsu [cost]" means "[Cost], Reveal this card from your hand or from the command zone, Return an unblocked attacking creature you control to its owner's hand: Put this card onto the battlefield tapped and attacking." Commander ninjutsu is a variant of ninjutsu that can be activated from the command zone as well as from your hand
This is achieved even more as the background colors in this card, similar to Mickey's enchanted card, are muted behind him in tones of gray