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'This land enters tapped with two charge counters on it.
{T}: Add {B}.
{T}, Remove a charge counter from this land: Add one mana of any color.
'This land enters tapped with two charge counters on it.
{T}: Add {B}.
{T}, Remove a charge counter from this land: Add one mana of any color.
'This land enters tapped with two charge counters on it.
{T}: Add {B}.
{T}, Remove a charge counter from this land: Add one mana of any color.
'When this creature enters, return a blue or black creature you control to its owner's hand.
When this creature enters, each player discards a card.
'This land enters tapped unless you control two or more other lands.
{T}: Add {U} or {B}.
'This land enters tapped unless you control two or fewer other lands.
{T}: Add {B} or {G}.
'This land enters tapped unless you control two or more other lands.
{T}: Add {U} or {B}.
'This land enters tapped unless you control two or fewer other lands.
{T}: Add {B} or {G}.
'Each land is a Swamp in addition to its other land types.
'This land enters tapped with two charge counters on it.
{T}: Add {U}.
{T}, Remove a charge counter from this land: Add one mana of any color.
'Whenever this creature deals damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)
'This land enters tapped unless you control two or fewer other lands.
{T}: Add {B} or {G}.