Long-Horn Ox

Trample
When Longhorn Ox becomes blocked,
You may switch Longhorn Ox's
power and toughness. Longhorn Ox
May attack three separate targets
(Each of these interactions happens
Separately, and Longhorn Ox can't be destroyed until all resolve.)
All damage Longhorn Ox does to
One player/planeswalker done
to all players/planeswalkers.
If Longhorn Ox deals damage to 6 or more targets (they don't have to be
different) search your library for a
Basic plains and put it onto the
Battlefield tapped