Mnemonica and stacked deck study app. Master Tamariz's mnemonica in 3 days. Guaranteed! Learn the most used stack in the USA: Simon Aronson's. Prepare yourself for the next revolution in stacked decks: Woody Aragon's stack! New! Includes 5 different stacks: Juan Tamariz's mnemonica, Woody Aragón's, Simon Aronson's, Dani Daortiz's personal stack and Patrick Redford's stack.