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$6.00 – $12.75
'Flash Flying You may cast colorless spells and artifact spells as though they had flash. Whenever you cast a spell, if the amount of mana spent to cast that spell...
$23.50 – $29.25
'As this artifact enters, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.
$0.75 – $2.00
'{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.
$2.00 – $5.25
'{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.
$4.25 – $7.50
'{T}, Sacrifice this artifact: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.
$28.75 – $42.50
'(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — This Saga gains "{T}: Add {C}." II — This Saga gains "{2},...
$0.25
'Echo {6} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) {T}:...
$9.25 – $12.50
'Artifact, instant, and sorcery spells you cast cost {1} less to cast. {7}: If you both own and control Urza, Lord Protector and an artifact named The Mightstone and Weakstone,...
$17.25 – $21.50
'As this artifact enters, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.
$2.00 – $2.50
'{T}: Add {C}.
{3}, {T}, Sacrifice this land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.
$17.00 – $21.25
'As this artifact enters, choose a creature type.
Creature spells of the chosen type cost {2} less to cast.