Except, yknow, that campaign is set before Link monsters were a thing, and the anime's duels followed the rules of its time
A Guardians Rising master set includes all standard cards, reverse holo versions, Yellow A Alternate cards, and Secret Rares for a total of 293 cards 145 standard set cards , 6 Alternate Art, 118 reverse holos , and 24 Secret Rares
The player can use this effect as often as they want during their turn
EX3-074 SEC Digimon Lv.7 Examon Color Green Blue Cost 15 DP 15000 Digivolve Cost 1 GreenBlue 5 from Lv.6 Form Mega Attribute Data Type Holy Warrior/Royal Knight Card Text 1 [Special Digivolution Condition] [DNA Digivolve]0 from green Lv.6 + blue Lv.6 [Effect] [When Digivolving] You may place 1 green or blue Digimon card with [Dramon] in its name from your hand under this Digimon as its bottom digivolution card
But if used during the players own turn, it can actually make the final moves to finish off the opponent in an OTK
It's becoming absurd