Tithe

{W} · Instant

Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards, put them into your hand, then shuffle.

Motor: se resuelve a mano

Rulings (2)

Because the “search” requires you to find a card with certain characteristics, you don’t have to find the card if you don’t want to.
Wizards of the Coast · 2004-10-04
Counts lands on resolution, not on announcement.
Wizards of the Coast · 2004-10-04