Since it lacks interaction, skillful green play often comes down to sequencing your cards and knowing when to commit
Prompt Guidance allows you to control the creativity of the result
Its ninjutsu ability matches Phantasmal Image for Clone efficiency, but with a relevant upside (bonus Ninja typing) instead of the Illusions sacrificial weakness
Hans costs four ink - which is achievable early-game, so you can quickly get him out - and can quest for two lore each turn
Its definitely worse than either, even with the ability to tap without damaging you, but that just gives budget EDH decks a new tool to improve their mana bases
(2021-09-24) If you cast Curse of Leeches while it is night, you must still choose a target player, and that player must be a legal target as Curse of Leeches resolves