This card was an artifact that turned your creatures into 8/8 creatures
7 Kraum, Ludevic's Opus // Ikra Shidiqi, The Usurper The grouping of Kraum, Ludevic's Opus and Ikra Shidiqi, the Usurper is a great pick for the player wanting a balanced deck, offering both defensive and offensive options during a game
The best things to copy are creatures which are natively 0/0s and enter the battlefield with +1/+1 counters on them
While this version focuses on Voltron with a splash of toolbox equipment, there are plenty of other ways you could steer the deck just by shifting a few cards
At that point, it was the largest set released, and it introduced a new type of Pokmon, a new numbering scheme, alternate cards, and more
A Charizard EX would be fine, though, as this is not the same card type even though it still features Charizard