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'Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.
'Tap all lands target player controls and that player loses all unspent mana.
'{1}, {T}, Sacrifice this artifact: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.
'{1}, {T}, Sacrifice this artifact: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.
'{1}, {T}, Sacrifice this artifact: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.
'{1}, {T}, Sacrifice this artifact: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.
'At the beginning of your end step, you may reveal your hand and put all land cards from it onto the battlefield. If you do, discard your hand.
'Whenever a player taps a land for mana, that player adds one mana of any type that land produced.
'{1}, {T}, Sacrifice this artifact: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.
'Add {R} for each tapped land your opponents control.
'When Mana Conference enters the battlefield, each player secretly chooses a basic land type, then those choices are revealed. Mana Conference gains each basic land type that received at least...
'This artifact doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact. At the beginning of your draw...