Maelstorm Cartographer

When Maelstorm Cartogropher ETBs create a
0/1 wisp illusion.
Sac 2 wisps: Search your library for a basic land
card, reveal it and put it into your hand.
Shuffle your library.
There had always been a fear that the Maelstorm
would fade. It was important to harness mana in
other ways.