The lands entering tapped trigger is a weird riff on ones like the fastlands (ala Darkslick Shores) - tapping for colorless is a very good ability on lands like these, since it makes it so that the caster can use the land without having to dome themselves repeatedly
These saw a sudden resurgence in the Pioneer format thanks to Atraxa, Grand Unifier, but have since disappeared for the more straight-laced Neoform version
Ramp As was the case when we built Runo Stromkirk, ramping in Dimir colours can be tricky
As a result, you can have those abilities resolve in the order of your choosing.
Often it almost feels like the Enchantress players see it as some kind of lifes work to build the optimal or, lets face it, just working Enchantress deck
Necro-Impotence This card was designed around the name