Food Chain [The List] Mountain Forest if Krovikan Horror is in

if Krovikan Horror is in your graveyard with a creature card directly above it

Set: Limited Edition Alpha Type: Sorcery Rare Cost: {X}{U}{U}{U} Destroy X target Mountains

The admixture of bitterwort in the viral brew has produced most favorable results

Set: Mercadian Masques Type: Artifact Rare Cost: {3} {4}

Sacrifice Windswept Heath: Search your library for a Forest or Plains card

Food Chain [The List] Mountain Forest if Krovikan Horror is inSet: The List Type: Enchantment Rarity: Rare Cost: {2}{G} Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.