Prepare for your matchups. Plan ahead your sideboard strategies against the metagame. Heavy Play SIDEBOARD Guides fold to fit in your deck box, and make sideboarding easy on gameday. 10 Tri-fold Sideboard Guides, Ideal for Magic: the Gathering, Plan Sideboarding vs. 10 Decks, Check Total In and Out, Secure Opaque Design, Folds to Fit in Deck Box, Pen Pencil Compatible, Heavyweight 300g Paper, Recycle After Use