The web-slinging cost wasn't so restrictive that he couldn't cast spells, but it turned out to be a more interesting build around in practice
Contents: 30 Wild Force booster packs, with 5 cards per pack
In green, Id want to be considering Kodama of the West Tree, who gives you a Rampant Growth every time a modified creature you control connects
It doesn't help that Kaheera is a Cat but not an Elemental, but I'm guessing that there will be some combination of an Elemental framework of Leafkin Druid, Risen Reef, and Omnath, Locus of the Roil along with Kaheera, Questing Beast, and a few other choice creatures
What that means is that you can load up Shimmer Dragon with 4 sweet pieces of equipment, attack someone, and then tap those swords and boots and whatever to draw 2 cards