Chain Card Effects Guide (How It Works)
You can “chain” card effects in response to others aka opponent plays card that targets your monster.
You activate card that has effect when your monster is targeted and after that 2nd card effect that is activated when spell/trap/effect is activated.
You have now 3 card chain that will start resolving from the last effect.
There are decks that very heavily play on responding to effect one after another.
To understand how it works try duel links its more new player friendly as this game was made for the ppl who enjoy the barbones of master rule of Yu-Gi-Oh!
Or play the solo campaign it’ll teach you all the mechanics by progress.