It's the final card in the set, and Mewtwo looks calm and powerful as it is flanked by Chesnaught and Magnezone as illustrated by Mitsuhiro Arita
Furthermore, as you may already know, there are multiple variants of this box
If it has more than 4 Stars, you need to Tribute a monster you already have in play first, by sending it to the Graveyard
While the commanders used might be more powerful than the tier would suggest, thats usually counteracted by most players not getting the most out of them
Once per turn, during the End Phase, if this card is in the GY because it was sent there this turn: You can add 1 "Polymerization" Normal Spell or "Fusion" Normal Spell from your Deck to your hand
Typal decks always love to be drawing cards, but even more than that, they want to be able to access whatever tool they need for a situation