We are a bunch of experts here.
k. a list possible things this card can do:
Beelze of the diabolic dragons>Stardust Dragon>Black Brutdrago>Scrap Dragon>Infernity Doom Dragon>Life stream Dragon
Gungnir, Dragon of the ice barrier>Black Rose Dragon>Exploder Dragonwing>Ancient Fairy Dragon
Dragunity Gae Dearg>Orient Dragon>Naturia Barkion
Angel of Zera>Chaos Goddess>Vylon Epsilon
Fabled Ragin>Armades, Keeper of boundaries>Frozen Fitzgerald
Karakuri Burei>Dark Strike Fighter>Power Tool Dragon>Mecha Phantom beast Concoruda
HTS Psyhemuth>Daigusto Sphreez>Psychic Nightmare
Hyper Psychic Blaster>Overmind Archfiend
T.G. Hyper Librarian>T.G. Wonder Magician
Mist Valley Thunderlord>Watthydra
LSS Shien>Laval Dual Slasher>Junk Warrior>Ignoble Knight>X-Saber Wayne
Drill Warrior>XX-Saber Hyunlei>Gaia Knight
Chevalier De Fleur>Crimson Blader>Colossal Fighter
Vulcan the Divine>Fire fist Horse Prince>Celestial wolf lord, Blue sirius
Revived King Ha Des>Doomkaiser Dragon>Archefiend Zombie-Skull
PS. : And as a spoiler for Train .
Spoiler :
With the eff of supply unit :Once per turn, if a monster you control is destroyed by battle or a card effect: Draw 1 card
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