Valid Tourney Units:

I may have missed some or may have accidentally added banned units so let me know if I messed up the unit list.

Pawn+:

Axeman, Bat+, Bomber, Frog+, Hoplite+, Militia, Militia+, Militia++, Militia+++, Penguin+, Shieldsman+, Slime, Spearman, Swordsman, Tiger, Dove+, Portal+, Slyph+, Mercenary, Undine+

Rook+:

Bishop++, Legionary++, Earth Elemental+++, Harpy+, Medusa++, Ninja, Wizard, Antimage+++

Knight+:

Banshee, Guardian++, Warrior+, WindMage+, Berserker, Hydromancer+, Air Elemental, Earth Elemental+, Ghast, Valkyrie, Comet+, Envy++, GravityMage++, Lust+, Siren++, Taurus++, Water Elemental+

Bishop+:

Banshee+++, Warrior+++, Berserker++, Legionary+, Magetower++, Behemoth+, Earth Elemental++, Ghast+++, Medusa+, Harpy, Envy+++, Haunted Armor, Lust++, NullMage+++, Siren+++, Taurus+++