The high initial toughness on a two drop that grows with the game and nullifies some amount of counter-aggro thanks to decent amounts of lifegain was quite the combination
I once executed a Chaos Twister using handcuffs and tiny doll hands
Swinging in price a few percentage points (and tens of actual dollars) is its default state of being
Also, depending on what you sent, your opponent cant respond with cards of the same type (monster effects, spells, or traps), which can limit their options though it doesnt make the card completely unanswerable
If youre a combo player then you know youve got one of those lying around, so maybe
The Hatters strength is only two, so youre unlikely to challenge much with him, but its still a nice bite back when youre on the defensive