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'Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.
'{T}: Add one mana of any color. {4}, {T}: Look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped....
'({T}: Add {B}.)
'({T}: Add {B}.)
'{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{T}: Add {C}.
{X}{X}, {T}, Sacrifice this land: Create X Treasure tokens.
'Blue creatures you control can't be blocked.
'Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.
'Spend only black mana on X. Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life...
'({T}: Add {W}.)
'({T}: Add {U}.)
'Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Return target permanent to its owner's hand.