3+ Effect Monsters Neither player can target this card with monster effects. Once per turn (Quick Effect): You can target 1 face-up monster on the field; it loses 500 ATK/DEF. Your opponent cannot activate cards or effects in response to this effect's activation. At the start of the Damage Step, if this card attacks an opponent's monster: You can place that opponent's monster in a zone this card points to and take control of it, but send it to the GY during the End Phase of the next turn.
I really don't understand how Link Summon works. Why can I summon this using a Link 2 monster(Code Talker) and 2 other monsters as material, but when I try using a Link 3(Decode Talker) I have to use another 3 monsters???
You can't exceed link ratios.
*Your first case works bcz 2+1+1=4 and it meets the 3+ monsters requirement
*Your case with DT doesn't work bcz DT=1 or 3, Let's say you use it as 3 if you add another monster you get 4 but you still short on monsters, if you add yet 1 more monster then you exceeded the link ratio.
So when you tap borrel the game treats DT as 1 and you gotta use 3 more monsters
when varis comes, we will have a good generic link 3 at last