The floodgate effect the card has in locking opponents out of special summoning except for Link monster could often yield an instant win in some cases, but as time went on and more viable Link monsters came out players wouldn't have too much trouble dealing with the card
Given that it's a basic Pokemon with no specific energy requirements, it's likely to be a staple of many decks
Amano-lwato The first monster to make its impact on its own is Amano-lwato
3 Brallin, Skyshark Rider // Shabraz, The Skyshark Opposites Attract Brallin, Skyshark Rider and Shabraz, the Skyshark partner with each other, and both have a similar but different effect
Additionally, Attack Command only costs a single Energy, so Energy disruption isnt really a viable strategy against Empoleon
Since there's less than one Master Ball in a box but over 100 cards that can take the slot, each Master Ball card is rarer than the set's secret rares