There are a lot of effects that don't cost mana to activate, making it trivial to allow Nadu to draw out your entire deck
Invasion of Theros // Ephara, Ever-Sheltering also makes a somewhat more useful representation of a "devotion" theme
If they dont have any sacrifice outlets (Gilded Goose, Witchs Oven) its better to let the Dragon resolve, and Gust it in response for the trigger, so they have to sacrifice a permanent, but wont draw a card
That discount isnt huge, but its still very welcome, especially as we tiptoe closer to launch
A land that fixes our mana from the graveyard in a deck that wants to be putting lands in the graveyard
Artists Talent Artist's Talent impresses me because that first ability is almost worth the card alone