A standard Magic card (2.5" x 3.5") is significantly smaller than both A5 and A6 paper sizes
I wouldnt value them higher than I would any other foil version of the card
It doesn't seem like it should work, and nowadays you would be right
Duress This card has gotten better and better over the last decade or so
The most direct strategy involves giving bad gifts, cards that actively harm their new controller, such as Steel Golem, which prevents them from casting creature spells, or the notorious Illusions of Grandeur, which causes a 20-life loss when it leaves the battlefield
While these decks can be powerful and look aesthetically stunning on any board state, they will often require you to explain six different loyalty abilities every turn