Destroy 1 monster your opponent controls with ATK equal to or lower than the LP difference
And Stardust Accelerator has a complete Tutorial Mode, too, that can bring you from the Step 1 basics of Duel Monsters play all the way to expert status fairly quickly
During the End Phase, the turn player declares 1 card name: Both players draw 1 card, also if both players draw cards with names different from the one declared, banish both cards
If Summoned this way, during your opponent's next End Phase: Target 1 face-up monster your opponent controls
Imperial Iron Wall Fun fact: Imperial Iron Wall has the third shortest card text in all of Yu-Gi-Oh, since it only has 5 words
It has no connection to any Forbidden One monsters or support cards, nor does it interact with them