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Describe the Bug:
Unifying Theory seems to become obligatory and doesn't ask you if you want to pay 2 if you cast a card via autotap and you have 2 mana or more available.Works fine if you tap manually the lands to play the spell

Which card did behave improperly ?
Unifying Theory

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
2014/02/18: Born of the Gods v2 - DUEL

What exactly should be the correct behavior/interaction ?
Even if you use autotap lands to pay for a card played you have to be asked if you want to pay 2 to use Unifying Theory.

Are any other cards possibly affected by this bug ?
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Works as described when Unifying Theory is controlled by AI, but in a clean game when I controlled Unifying Theory it asked for a trigger even when casting spells via double-click.

Fixed 77361c8.

If I own Unifying Theory and AI plays a spell and have 2 mana available I am the one to select if AI will use the trigger or not.

Didn't need further clarification, thanks.