Since the field/graveyard is shared, but the hand/deck is not shared, trap cards and graveyard activated effect monsters are more useful than cards activated from the hand
If you control your commander you get to do both modes, which gives you an incredible amount of card advantage in a single turn
Oh, you summoned each Egyptian god card and I have no monsters on my side of the field
This isnt so much of a power level adjustment, but rather adapting your deck to be able to contain or stop issues as they arise
In the January 1998 issue, three 1st Place winners won a copy of the card, as did another 20 2nd Place winners
Artifact Dagda X LIGHT Link 2 [ FairyLinkEffect ] ATK 1500 DEF - 2 monsters with different names When an effect of another card on the field is activated (Quick Effect): You can Set 1 "Artifact" monster from your hand or Deck to your Spell & Trap Zone as a Spell, but destroy it during your opponent's next End Phase