Floating Isle
Nonbasic Land
Pay 1 life, tap ~: add U to your mana pool.
When ~ goes to the graveyard from play, you may draw a card.
Fading 3
Vale of Shadows
Nonbasic Land
~ comes into play tapped.
Tap ~ to add 1 colorless mana.
When ~ comes into play from your hand, you may draw a card.
I had some ideas for cantrip lands. I can't tell if these are too good.