Any pros can spare some advice for me? New player and don't know what to keep. Here's my arsenal...

Fairy - Water, Wind (food for Light Fairy)
Mystic Witch - Wind (food for Water Witch)
Elemental - Water, Fire, Wind (not useful)
Inugami - Water (food for Fire Inu and Light Inu)
Bounty Hunter - Wind (not useful)
Battle Mammoth - Wind (dunno kinda new unit)
Grim Reaper - Fire (early game)
Hellhound - Fire, Wind (fire hell good for early game)
Golem - Fire (not useful)
Inferno - Fire (good for early game)
Harpu - Water, Fire, Wind (wind harpu evolve material)
Garuda - Water, Light (both good)
Salamander - Water, Wind (wind sala evolve material)
Vagabond - Water, Wind (food for Light Vaga)
Living Armor - Fire (evolve material)
Drunken Master - Wind (not useful)
Warbear - Water, Fire (food for Wind Warbear)
Magical Archer - Wind (not useful)
Viking - Water, Wind (not useful)
Imp - Water, Fire, Wind (food for Light Imp, need good runes)
Howl - Water, Fire, Wind (water howl and light howl is good early game)
Pixie - Water (food for Pixie Wind)

Other very useful unit, Light Warbear, Wind Griffon,

PS: Not useful is base on my 2 cent dont flame me 


TQ!