Year of the Ox

When Year of the Ox enters the battlefield,
create a 1/4 white Ox creature token.
Oxen you control get +1/+1.
{3}{g}{w}, Sacrifice Year of the Ox: Search your
library for a basic plains and a card named Year
of the Tiger. Put the plains in your hand and
put Year of the Tiger onto the battlefield. Then,
shuffle your library.