Your search for "Demi Trainer ST01-008" revealed the following:
Demi Trainer - ST01-008 - Common from ST-01 Starter Deck: Heroic Beginnings, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: hiropon Card Text:[Blocker] (Rest this Unit to change the attack target to it.)
Demi Trainer (BETA) - ST01-008 - Common from GD01: Edition Beta, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: hiropon Card Text:[Blocker] (Rest this Unit to change the attack target to it.)
Demi Trainer (C+) (Alternate Art) - ST01-008 - Common from ST-01 Starter Deck: Heroic Beginnings, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: hiropon Card Text:[Blocker] (Rest this Unit to change the attack target to it.)