Tithe

Instant, W (1)
Search your library for a Plains card. If you control fewer lands than an opponent, you may search your library for an additional Plains card. Reveal those cards and put them into your hand. Then shuffle your library.¹
Illus. Jon J Muth

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: Counts lands on resolution, not on announcement.
• 10/4/2004: 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.

Format Legality	Legal in Vintage, Legacy, MTGO Classic Banned in Extended, Standard
Printings (1/6)	Visions (Rare)