Rivalry of Alo & Kosho

Search your library for a Kosho and an Alo
card and put them on the battlefield tapped.
Sacrifice an Kosho creature card and give an
Alo card +{x}/+{x} where {x} is Kosho's
power and toughness.
Or
Sacrifice an Alo creature card and give a
Kosho card +{x}/+{x} where {x} is Alo's
power and toughness.