Out of all of them, Torchic is the most expensive
This isnt the first time, and likely wont be the last, that I reference the semi-finals match from #SCGCOL that Brennan DeCandio was able to win almost singlehandedly on the back of Walking Ballista: There is a point in this game in which Brennan has enough mana to beat Hunter while hardly attacking
Options include High-Speed Steel (for paper, light plastics), Tungsten Carbide (for tough materials), and Ceramic (for delicate substrates)
The big error that both include is Stitch Carefree Surfer, but only the non-enchanted version
The "killer move" in this deck is to make a creature unblockable by tapping two artifacts with Whirler Rogue
As your leader can often easily become your most powerful offensive card, theres also an enthralling risk/reward element to using their skills at exactly the right moment without exposing them to too much danger