Mensis Realm

{t}, {b}{b}: Search your library for two lands
and put them into your hand. They gain:
"When you play the first, target a land you control. The next time it untaps, exile it."
Add 2 Insight counters to Mensis Realm.

Whenever a land is put into the graveyard or exiled, remove an Insight counter from
Mensis Realm and add {b}.