EX13-021 Wingdramon

It refers to a card that contains the specified text or icon in its name, traits, effects, inherited effects, (Rule), digivolve requirements, DNA Digivolve, DigiXros requirements, Burst Digivolve, App Fusion, Link, or Assembly requirements.For example, "a card with [Knightmon] in its text" would include cards with the name [DarkKnightmon] and cards with the text [Knightmon] in their effects.

It checks if that card has [AA] or [BB] in its text.

No, you can't. This [All Turns] effect only activates while this card is in the battle area. It isn't treated as [Slayerdramon] in the hand.