The card that is swapped with Toshiyuki Sakai is installed(FAQ). Infinite loop created by two Toshiyuki Sakai places infinite counter on Alix T4LB07. Combo with Gagarin deep space. Runner will afraid of accessing card that is swapped.
If the runner chooses not to access the second Toshi after you return the first Toshi to your HQ, the second Toshi won't trigger.
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Lttlefoot
That is right. The timing is hard to know when use agenda. That is why I recommend Plan B but not Toshi. But it produce safe advance token bank, and toshi can be swapped with asset is better.(GRNDL refinery, Haas arcology ai, etc)
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vjhorse90