Flamekin Harbinger [Lorwyn] Faerie Artificer and its horrendous cost

and its horrendous cost

Set: Legends Type: Creature — Yeti Rarity: Uncommon Cost: {2}{R}{R} Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain

Set: Strixhaven: School of Mages Prerelease Promos Type: Sorcery Rarity: Mythic Cost: {X}{2}{G} Search your library and graveyard for up to four creature cards with different names that each have mana value X or less and reveal them

Set: Foreign Black Border Type: Land — Mountain Plains Rarity: Rare ({T}: Add {R} or {W}

you may pay G

Flamekin Harbinger [Lorwyn] Faerie Artificer and its horrendous costSet: Lorwyn Type: Creature Elemental Shaman Rarity: Uncommon Cost: {R} When Flamekin Harbinger enters the battlefield, you may search your library for an Elemental card, reveal it, then shuffle your library and put that card on top of it.