Grassland Accorder

Magician 1 ({t}: Add {w}. Spend this mana
only to cast instant or sorcery spells or pay
ability costs.)
At the beginning of your upkeep, you may
pay {w}. When you do or when Grassland
Accorder enters the battlefield, search your
library for a basic Plains card, reveal it, put
it into your hand, then shuffle your library.