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'Tap all lands target player controls and that player loses all unspent mana.
'Whenever a creature enters, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it.
'When this creature enters, you draw a card and you lose 1 life.
'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...
'Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
'Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
'Tap all lands target player controls and that player loses all unspent mana.
'At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you.
{T}: Add {C}{C}.
'At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you.
{T}: Add {C}{C}.
'Tap all lands target player controls and that player loses all unspent mana.
'Whenever a player taps a land for mana, that player adds one mana of any type that land produced.
'At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you.
{T}: Add {C}{C}.