Pendant of Excise

Pendant of Excise enters the battlefield tapped.

{t}, Sacrifice Pendant of Excise: For each opponent
that controls more lands than you, search your
library for a Plains card, reveal it, put it into your
hand, then shuffle. If you revealed three or more
land cards this way, you may put one of those cards
onto the battlefield tapped.

{t}, Sacrifice Pendant of Excise: You gain 3 life.