At the beginning of each player's upkeep, that player chooses target player who controls more lands than they do and is their opponent. The first player may search their library for a basic land card, put that card onto the battlefield, then shuffle their library.
![Oath of Lieges [Exodus] | RetroPlay Games](http://shop.retroplaygames.com/cdn/shop/products/470a2092-eeda-4557-8cee-ac401b61a225.jpg?v=1610568588)
