While Soldiers would become more popular as the game evolved, Knight cards have continued to bubble under the surface of the TCG for decades
The primary way to get aggressive is by playing cards with job select, such as Dragoon's Lance, Monk's Fist, and Red Mage's Rapier
Both Goldspan Dragon and Galazeth Prismari make the Treasure tokens more useful
You must change the target if possible
Kolvori, God of Kinship / The Ringhart Crest Kolvori, God of Kinship has decent stats on a board of legends, digs for legendaries from your library, and can be cast as The Ringhart Crest for ramp if needed
Still, realistically, you should probably play basics over my off-color duals and play some other trump like Curse of Echoes or more counterspells instead