While not tournament legal, these two cards definitely contain a ton of text
Rainbow Dragon takes a glass cannon approach to battle, exemplified by its 4,000 Attack and 0 Defense
Dimensions: 3.5 x 2.4 (Fits standard credit cards, hotel keys, and gift cards)
Sythis, Harvests Hand As one of the best enchantment commanders, Sythis, Harvest's Hand helps you draw cards and keep your life total at a healthy number as you cast more enchantments
Based on the latest market prices tracked on TCG Stacked, Flapple is worth about $32.12 USD
Its popular, successful, and appeals equally well to the sort of people who play international championships and those who play loose versions of the game with their own made-up rules