Gifts Ungiven [Modern Masters] Transform When Darksteel Reactor has twenty

When Darksteel Reactor has twenty or more charge counters on it

Set: Magic Player Rewards 2008 Type: Instant Rare Cost: {W} Counter target spell unless its controller pays {1}

A power vacuum for the Azorius

you may play that card without paying its mana cost

Set: Ninth Edition Type: Artifact Rare Cost: {2} At the beginning of each player's draw step

Gifts Ungiven [Modern Masters] Transform When Darksteel Reactor has twentySet: Modern Masters Type: Instant Rare Cost: {3}{U} Search your library for up to four cards with different names and reveal them. Target opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle your library.