Sky Pillar

Sky Pillar enters the battlefield with 3 Historic counters on it.
{t} Sacrifice a nontoken creature: remove a Historic counter from Sky Pillar.
{t}: If Sky Pillar has 0 Historic counters on it Search your library for a Rayquaza card, Revel it and put it in your hand then shuffle your library.

Sky Pillar was built year ago but remains the place to summon Rayquaza.