If I would use this card's <Delay> effect to digivolve my Digimon, can it digivolve into Digimon card with just the [Bird Dragon] or [LIBERATOR] trait?
Show ruling
No, it can't. It can only digivolve into a card with both the [Bird Dragon] and [LIBERATOR] traits.
Source: EX11-072 Unique Emblem: Guardian Vortex