When an attack is declared involving the equipped monster and an opponent's monster: You can make that opponent's monster lose ATK equal to the equipped monster's ATK
your battling monster gains 800 ATK, until the end of this turn
Depending on when you count Arabian Nights (it came out in December 1993 in parts of the country and January 1994 in others), 1994 had five or six sets released in it ( Arabian Nights , Antiquities , Legends , Revised , The Dark , and Fallen Empires )
It can tap to put a basic land from the hand onto the battlefield, which can trigger Landfall at instant speed and bypass the "one land per turn" rule
Case in point, the Team Compendium section for the Transform Pokmon Power was HUGE I cant even begin to guess what kind of programming wizardry wouldve been necessary to account for all that