Svyatogor, the Hero

Horsmanship.
If you control no Mountain Svyatogor, the Hero does'nt untap druing your untap phase.
When Svyatogor, the Hero enters battlefield you may search Sword-Kladenets and/or Breath of Svyatogor in your library. Pur that cards in your hand. If you do, shuffle your library.