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$48.75 – $54.25
'Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
$57.50 – $63.50
'Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
$176.00 – $220.75
'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...
$1.25 – $3.25
'Whenever a player taps a land for mana, that player adds one mana of any type that land produced.
$25.00 – $28.75
'Trample
If you tap a permanent for mana, it produces three times as much of that mana instead.
$30.25 – $35.50
'{T}, Pay 1 life: Add one mana of any color.
$40.50 – $56.00
'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.
$75.00 – $101.50
'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...
$74.50 – $75.00
'Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
$83.50 – $114.00
'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...