I guess Taj-Nar Swordsmith usually costs that much because youre paying for the tutor effect
You can give them one loyalty to create a 1/1 Insect token, mill a card, and then repeat the process if the milled card was an Insect
For instance, Hoarding Broodlord allows players to tutor for any card, exile it face down, then cast it with convoke
With a HP of 100, Doublade evolves from Honedge and showcases its Weaponized Swords attack, which can deal significant damage based on the number of cards revealed
Then the five-drop 3/6 lifelink Lotuslight Dancers will toss ETB one card of each of its colors to your graveyard, great for bringing back and then they don't have to be dorks, so your Green card could be Life from the Loam, as a great example