For non-spirits, weve got: Skyswimmer Koi, a fish that loots whenever an artifact enters your battlefield
Spells like Nadir Kraken and The Locust God that create tokens as you draw cards are great ways to defend the crown while Psychosis Crawler and Niv-Mizzet, Parun turn the card draw into pressure to wrap the game up
Or maybe you just want to regulate with Urza's Law
The nice part is that youre already attacking with a bunch of samurai to capitalize on the bonus, and most of them have bushido if theyre blocked, so its not going to end well for your opponent
Otherwise, four mana isn't too shabby
At that time they cost me $2.95 and today, almost 20 years later in 2015, I paid about $11 bucks for each of these babies