If Feldon were black instead of red, I could see him staying at $3-$4

For removal, run creatures aswell, id get Foundation Breaker, Druid of Purification, Bane of Progress, Haywire Mite, Reclamation Sage, Voracious Hydra, Acidic Slime, Duplicant, Kogla, the Titan Ape, Meteor Golem, Terastodon, Woodfall Primus, Ulvenwald Tracker For draw, run creatures aswell (your starting to see a synergie?) Beast Whisperer, Voice of Many, Toski, Bearer of Secrets, Augur of Autumn for ramp you have the mana dorks, Sakura-Tribe Elder, Fertilid, Wood Elves Elvish Pioneer, Primeval Herald, Skyshroud Ranger, Selvala, Heart of the Wilds For bombs, id run creatures that already have trample, Defiler of Vigor, Neverwinter Hydra, Ochre Jelly, Kalonian Hydra, Aberrant, Craterhoof Behemoth and a tutor: Fierce Empath some other cards i would consider Champion of Lambholt (makes your creatures unblockable, Saryth, the Viper's Fang hexproof untapped, deathtouch when attacking (insanely powerfull with big trample creature)

They should be around $7 USD each, or you can pick up a box for a little over $200
To do this you need to have Brago deal combat damage to a player and then copy its ability with Strionic Resonator or Lithoform Engine
Secret rare cards are numbered higher than the number of cards in the set