msem-instigator

({T}: Add {U} or {B}.)
Flooded Morass enters the battlefield tapped unless you control a basic Island or a basic Swamp.

({T}: Add {R} or {G}.)
Flourishing Crevasse enters the battlefield tapped unless you control a basic Mountain or a basic Forest.

({T}: Add {U} or {R}.)
Frostfire Geysers enters the battlefield tapped unless you control a basic Island or a basic Mountain.

({T}: Add {B} or {G}.)
Fungal Mire enters the battlefield tapped unless you control a basic Swamp or a basic Forest.

({T}: Add {W} or {B}.)
Gloomcover Steppe enters the battlefield tapped unless you control a basic Plains or a basic Swamp.

({T}: Add {G} or {W}.)
Heart of the Glade enters the battlefield tapped unless you control a basic Forest or a basic Plains.

({T}: Add {B} or {R}.)
Lavatorn Fields enters the battlefield tapped unless you control a basic Swamp or a basic Mountain.

({T}: Add {G} or {U}.)
Lush Oasis enters the battlefield tapped unless you control a basic Forest or a basic Island.

({T}: Add {W} or {U}.)
Pool of Light enters the battlefield tapped unless you control a basic Plains or a basic Island.

({T}: Add {R} or {W}.)
Spiraling Canyon enters the battlefield tapped unless you control a basic Mountain or a basic Plains.