While you have a Digimon with [Armor Form] in its traits in play, you may use this card without meeting its color requirements.
[Main] Trash the top card of 1 of your Digimon with [Armor Form] in its traits. Then, you may digivolve 1 of your Digimon into a Digimon card in your hand with [Armor Form] in its traits for its digivolution cost. If you do, unsuspend that Digimon.