I made one the other day and got it up to level 23. I been playing around with a build, but I'm not too happy with it right now, but I thought it might give you help and a good starting point. It has perma-dom and perma-hasten but the def is a little lower than I would like.
Villain Plan by Mids' Villain Designer 2.22 http://www.cohplanner.com/
Click this DataLink to open the build!
Level 50 Magic Dominator Primary Power Set: Plant Control Secondary Power Set: Savage Assault Power Pool: Speed Power Pool: Fighting Power Pool: Leaping Ancillary Pool: Primal Forces Mastery
Villain Profile: Level 1: Strangler -- BslGaz-Acc/Hold(A), BslGaz-Acc/Rchg(37), BslGaz-Rchg/Hold(37), BslGaz-EndRdx/Rchg/Hold(40) Level 1: Call Swarm -- Acc-I(A) Level 2: Roots -- GrvAnc-Immob(A), GrvAnc-Immob/Rchg(3), GrvAnc-Acc/Immob/Rchg(5), GrvAnc-Acc/Rchg(5), GrvAnc-Immob/EndRdx(7) Level 4: Vicious Slash -- TchofDth-Acc/Dmg(A), TchofDth-Dmg/EndRdx(42), TchofDth-Dmg/Rchg(42), TchofDth-Acc/Dmg/EndRdx(42), TchofDth-Dmg/EndRdx/Rchg(43) Level 6: Spore Burst -- FrtHyp-Sleep(A), FrtHyp-Sleep/Rchg(7), FrtHyp-Acc/Sleep/Rchg(13), FrtHyp-Acc/Rchg(13), FrtHyp-Sleep/EndRdx(17) Level 8: Seeds of Confusion -- CrcPrs-Conf(A), CrcPrs-Conf/Rchg(9), CrcPrs-Acc/Conf/Rchg(9), CrcPrs-Acc/Rchg(11), CrcPrs-Conf/EndRdx(11) Level 10: Unkindness -- PstBls-Acc/Dmg(A), PstBls-Acc/Dmg/EndRdx(15), PstBls-Dmg/EndRdx(43), PstBls-Dmg/Rchg(43), PstBls-Dmg/Rng(45) Level 12: Spirit Tree -- Prv-Heal(A), Prv-Heal/EndRdx(17), Prv-EndRdx/Rchg(23), Prv-Heal/Rchg(23), Prv-Heal/Rchg/EndRdx(25), Prv-Absorb%(25) Level 14: Hasten -- RechRdx-I(A), RechRdx-I(15), RechRdx-I(45) Level 16: Spot Prey -- AdjTrg-ToHit/Rchg(A), AdjTrg-Rchg(40) Level 18: Vines -- UnbCns-Hold(A), UnbCns-Hold/Rchg(19), UnbCns-Acc/Hold/Rchg(19), UnbCns-Acc/Rchg(21), UnbCns-EndRdx/Hold(21) Level 20: Rending Flurry -- Obl-Dmg(A), Obl-Acc/Rchg(45), Obl-Dmg/Rchg(46), Obl-Acc/Dmg/Rchg(46), Obl-Acc/Dmg/EndRdx/Rchg(46) Level 22: Super Speed -- Run-I(A) Level 24: Boxing -- Acc-I(A) Level 26: Carrion Creepers -- TmpRdn-Acc/Slow(A), TmpRdn-Dmg/Slow(27), TmpRdn-Acc/EndRdx(27), TmpRdn-Rng/Slow(29), TmpRdn-EndRdx/Rchg/Slow(29) Level 28: Blood Craze -- DctWnd-Heal/EndRdx(A), DctWnd-EndRdx/Rchg(31), DctWnd-Heal/Rchg(31), DctWnd-Heal/EndRdx/Rchg(31), DctWnd-Heal(34) Level 30: Tough -- StdPrt-ResDam/Def+(A) Level 32: Fly Trap -- ExpRnf-Acc/Rchg(A), ExpRnf-Acc/Dmg(33), ExpRnf-Dmg/EndRdx(33), ExpRnf-Acc/Dmg/Rchg(33), ExpRnf-EndRdx/Dmg/Rchg(34), ExpRnf-+Res(Pets)(34) Level 35: Call Hawk -- Dcm-Acc/Dmg(A), Dcm-Dmg/EndRdx(36), Dcm-Dmg/Rchg(36), Dcm-Acc/EndRdx/Rchg(36), Dcm-Acc/Dmg/Rchg(37) Level 38: Feral Charge -- Hct-Dmg(A), Hct-Dmg/Rchg(39), Hct-Acc/Dmg/Rchg(39), Hct-Acc/Rchg(39), Hct-Dmg/EndRdx(40) Level 41: Weave -- LucoftheG-Rchg+(A), LucoftheG-Def(50) Level 44: Energy Transfer -- CrsImp-Acc/Dmg(A), CrsImp-Dmg/EndRdx(48), CrsImp-Dmg/Rchg(48), CrsImp-Acc/Dmg/Rchg(48), CrsImp-Acc/Dmg/EndRdx(50) Level 47: Temp Invulnerability -- RctArm-ResDam(A), RctArm-ResDam/EndRdx(50) Level 49: Combat Jumping -- LucoftheG-Rchg+(A) Level 1: Brawl -- Empty(A) Level 1: Domination Level 1: Prestige Power Dash -- Empty(A) Level 1: Prestige Power Slide -- Empty(A) Level 1: Prestige Power Quick -- Empty(A) Level 1: Prestige Power Rush -- Empty(A) Level 1: Prestige Power Surge -- Empty(A) Level 1: Sprint -- Empty(A) Level 2: Rest -- Empty(A) Level 4: Ninja Run Level 2: Swift -- Empty(A) Level 2: Health -- Heal-I(A) Level 2: Hurdle -- Empty(A) Level 2: Stamina -- EndMod-I(A), EndMod-I(3) ------------