When this card would be used, by trashing the bottom face-down card from under any of your Tamers, reduce the use cost by 2. [Main] By placing 1 [Gaogamon] and 1 [MachGaogamon] from your trash as 1 of your [Gaomon]'s bottom digivolution cards, that Digimon may digivolve into [MirageGaogamon] in the hand, ignoring digivolution requirements and without paying the cost.