User blog comment:Otakon7/Otakon7's Buddyfight Simulator/@comment-12248576-20160823222457/@comment-2234004-20160826161135

An easy way to check if a card is not on the sim because of size:

http://buddyfight.wikia.com/wiki/File:Black_Spot_Dragon,_Black_Dot.jpg

Look at the bottom left under "Appears on these pages", as you can see, the image is blank, which means the sim cannot pick it up.