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Name:Political Trickery
ManaCost:2 U
Types:Sorcery
Text:no text
A:SP$ GainControl | Cost$ 2 U | ValidTgts$ Land.YouCtrl | TgtPrompt$ Select target land you control | NewController$ Opponent | SubAbility$ DBGainControl | SpellDescription$ Exchange control of target land you control and target land an opponent controls. (This effect lasts indefinitely.)
SVar:DBGainControl:DB$GainControl | ValidTgts$ Land.YouDontCtrl | TgtPrompt$ Select target land opponent controls
SVar:RemAIDeck:True
SVar:Rarity:Rare
SVar:Picture:http://www.wizards.com/global/images/magic/general/political_trickery.jpg
SetInfo:MIR|Rare|http://magiccards.info/scans/en/mr/81.jpg
End

jeffwadsworth wrote:If we had a Drawback version of GainControl, we should be able to get Political Trickery scripted.

| Open

Name:Political Trickery
ManaCost:2 U
Types:Sorcery
Text:no text
A:SP$ GainControl | Cost$ 2 U | ValidTgts$ Land.YouCtrl | TgtPrompt$ Select target land you control | NewController$ Opponent | SubAbility$ DBGainControl | SpellDescription$ Exchange control of target land you control and target land an opponent controls. (This effect lasts indefinitely.)
SVar:DBGainControl:DB$GainControl | ValidTgts$ Land.YouDontCtrl | TgtPrompt$ Select target land opponent controls
SVar:RemAIDeck:True
SVar:Rarity:Rare
SVar:Picture:http://www.wizards.com/global/images/magic/general/political_trickery.jpg
SetInfo:MIR|Rare|http://magiccards.info/scans/en/mr/81.jpg
End

jeffwadsworth wrote:If we had a Drawback version of GainControl, we should be able to get Political Trickery scripted.

friarsol wrote:

jeffwadsworth wrote:If we had a Drawback version of GainControl, we should be able to get Political Trickery scripted.

Exchange control is a bit trickier than that, since it requires both targets to be legal for the Exchange to happen.

jeffwadsworth wrote:

friarsol wrote:

jeffwadsworth wrote:If we had a Drawback version of GainControl, we should be able to get Political Trickery scripted.

Exchange control is a bit trickier than that, since it requires both targets to be legal for the Exchange to happen.

What about making both Mandatory$ True

friarsol wrote:

Sloth wrote:

friarsol wrote:Ah good.

Ideally, state based effects should be checked after each SA finishes resolving completely and at the beginning of Phases/Steps, so it doesn't need to appear 40 times throughout the code. Is there some part of the trigger system that is incapatable with that idea?

Actually they have to be checked at other times too:
- Card draw (Akki Underling)
- Add Mana to Manapool (Omnath, Locus of Mana)
- Something becomes tapped (Maraxus of Keld)
- Counters get removed

Not all Card Draw though right? Just the State based effect at the beginning of your turn?
Paying costs of non-mana abilities (the last three) shouldn't check state based effects though. Only paying costs of mana abilities should check afterwards (since they don't use the stack).

So really we have:
Phase based effects (card draw/all combat damage is dealt), After an SA resolves, After an SA (and all corresponding triggers) is added to the stack, and after a Mana Ability is activated. Or am I missing some other hidden times?

Sloth wrote:I just thought about this again and took a look at the corresponding code. I couldn't find a check for state based effects at the beginning of Phases/Steps, but we really do need them (for cards like Mightstone and Weakstone). Am I missing something or should I add it to handleBeginPhase()?