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'This land enters tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}.
'{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.
'This land enters tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}.
This land enters tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}.
'{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.
'This land enters tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}.
'When this land enters, sacrifice it unless you return a non-Lair land you control to its owner's hand.
{T}: Add {U}, {B}, or {R}.
'This land enters tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}.
Swoop down on your gaming table with Anthradusk, a terrifying ancient blue dragon with a unique, fearsome weapon grafted to his tail. Anthradusk stands 8 inches tall on top of...
'{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.