Darksteel Reactor [Darksteel] Mercadian Masques Set: Odyssey Type: Creature —

Set: Odyssey Type: Creature — Human Wizard Rarity: Rare Cost: {U}{U}{U} Tap an untapped Wizard you control: Counter target spell unless its controller pays {1}

It's still a land

When Dualcaster Mage enters the battlefield

Set: Nemesis Type: Instant Rarity: Uncommon Cost: {3}{U} You may return two Islands you control to their owner's hand rather than pay this spell's mana cost

members of the tribunal ensure all disputes are settled with the utmost fairness

Darksteel Reactor [Darksteel] Mercadian Masques Set: Odyssey Type: Creature —Set: Darksteel Type: Artifact Rarity: Rare Cost: {4} Indestructible (Effects that say "destroy" don't destroy this artifact.) At the beginning of your upkeep, you may put a charge counter on Darksteel Reactor. When Darksteel Reactor has twenty or more charge counters on it, you win the game.