yugioh machine trap cards RespectYGO you can destroy the Trap Card and inflict 800 damage to your opponent. Yu-Gi-Oh!: 2020 Tin of Lost

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Before this card was unified under this name, there were professor cards with different names that also shared the same effect, and, due to ruling issues, the Professor's Research cards were created to stop future issues if The Pokemon Company wanted to print professor cards

- Arelios

Here the story is this: The Goblins cant use the sled unless the opponent is near a mountain (So they can slide down the mountain on the sled), they have Trample (Since anything they hit will only slow them down), and if they deal damage, they dont untap next turn (Because they have to spend a turn climbing back up the mountain)