Eichenwalde Castle

Eichenwalde Castle enters the battlefield tapped.
When Eichenwalde Castle enters the battlefield,
you may search your library for a Reinhardt spell,
reveal it, then shuffle your library and put that
card second from the top.
{t}: Add {r} or {w} to your mana pool.
{t}: Add {r}{w} to your mana pool. Spend this
mana only to cast Reinhardt spells.