Bubbling Muck [Urza's Destiny] Plant Skeleton Set: Battle for Zendikar Type:

Set: Battle for Zendikar Type: Land Rarity: Rare Shambling Vent enters the battlefield tapped

Set: Urza's Legacy Type: Artifact Creature — Construct Rarity: Uncommon Cost: {4} Echo {4} (At the beginning of your upkeep

What manner of fiend would design such a sadistic device

Set: Amonkhet Prerelease Promos Type: Land — Plains Island Rarity: Rare ({T}: Add {W} or {U}

"To break another's mind is to deliver a fate worse than death

Bubbling Muck [Urza's Destiny] Plant Skeleton Set: Battle for Zendikar Type:Set: Urza's Destiny Type: Sorcery Rarity: Common Cost: {B} Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}. The muck claims a hundred living things for each meager treasure it spews forth.