Yes, as long as either a Digimon card with [Greymon] or [Omnimon] in its name or 1 Tamer card with [Tai Kamiya] in its name is among the cards revealed, you can add it to your hand
This has led to me getting a new popular question: "Did you name this card?" My answer: "No
Similarly, you can respond to activations of Planeswalkers like Karn, the Great Creator, rendering them useless
It and two other cards raise your attack power by 400 if your Digimon is the correct level, Rookie in this case
Then, in one of Konami's scripted duels between Jaden and Aster, after Jaden uses Pot of Greed and explains the effect, Aster shouts "THAT'S what it does
Jitter (or more accurately, latency fluctuation/flux), shows itself during games like Pokemon Trading Card Game Online through choppy gameplay