Bloodstained Mire (Expeditions) [Zendikar Rising Expeditions] SM76 It has "Sacrifice this creature:

It has "Sacrifice this creature: Add {C}

Fling deals damage equal to the sacrificed creature's power to any target

Set: Exodus Type: Instant Rarity: Uncommon Cost: {1}{R} Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls

When Oubliette leaves the battlefield

Bloodstained Mire (Expeditions) [Zendikar Rising Expeditions] SM76 It has "Sacrifice this creature:Set: Zendikar Rising Expeditions Type: Land Rarity: Mythic {T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle your library.