Gankoomon [BT20-057] [Release Special Booster Ver.2.5 Promos]

When this card would be played, if you have a Digimon with [Huckmon], [Jesmon] or [Sistermon] in its name, reduce the play cost by 4. [Reboot] [Blocker] [On Play] [When Digivolving] 1 of your Digimon may digivolve into a level 6 or lower Digimon card with [Huckmon] in its name or the [Royal Knight] trait in the hand or trash without paying the cost.