Cabal Coffers
Land
, 
: Add 
for each Swamp you control.
Deep within the Cabal's vault, the Mirari pulsed like a dead sun—and its darkness radiated across Otaria.
Don Hazeltine
Mystery Booster 2 (MB2)
• #106Rulings
The mana ability of Cabal Coffers counts each land you control with the subtype Swamp, not just ones named Swamp.
(wotc • 2021-06-18)
Rulings
The mana ability of Cabal Coffers counts each land you control with the subtype Swamp, not just ones named Swamp.
(wotc • 2021-06-18)