Labeling Trafalgar Law as one of the Seven Warlords (Shichibukai) is an endearing mistake
Interaction is heavily sorcery speed and somewhat expensive, so combat tricks and cheap creatures are better than they might normally be, circumstances which favor aggressive decks like RW Slivers and WB Changelings
However, the most exciting part of the ability is that this triggers when you cast the Creature
LBS (Lugia ex /Blastoise ex /Steelix ex ), a very popular deck at the time, had Metal, Fighting, Fire, Water, Lightning, etc
Lets look at some of the funniest cards in the history of MTG, shall we
In this case, the term set is being used loosely, because Homelands was not exactly your source for quality tournament cards