Underground River (350) [Seventh Edition] Rivals of Ixalan Promos Set: Commander Masters Type: Sorcery

Set: Commander Masters Type: Sorcery Rarity: mythic Cost: {X}{G}{G} Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield

Set: Ninth Edition Type: Artifact Rarity: rare Cost: {4} At the beginning of each player's draw step

Whenever equipped creature deals damage to a creature

Set: Ikoria: Lair of Behemoths Type: Legendary Creature — Cat Nightmare Beast Rarity: mythic Cost: {2}{W}{B}{G} Mutate {4}{G/W}{B}{B} (If you cast this spell for its mutate cost

Set: Zendikar Rising Promos Type: Creature — Snake Rarity: rare Cost: {1}{G} Landfall — Whenever a land you control enters

Underground River (350) [Seventh Edition] Rivals of Ixalan Promos Set: Commander Masters Type: SorcerySet: Seventh Edition Type: Land Rarity: rare {T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.