LEYLINE
EVERYTHING. CONNECTED.
Strategy & Theory
MTG strategy guides
In-depth Magic: The Gathering strategy guides — Commander deck building, mana base math, land counts, ramp, and more. Data-driven EDH advice from Leyline.
How Many Lands Should Your Commander Deck Run?
Use hypergeometric probability to find the right land count for your 99. Data-driven analysis for aggressive, midrange, and control strategies.
May 4, 20268 min readThe Math Behind Ramp: How Many Acceleration Pieces Does Your Deck Need?
Use probability analysis to find the right number and CMC of ramp spells. Understand diminishing returns, mana acceleration curves, and when more ramp hurts your deck.
May 4, 202610 min readColor Fixing Math: How to Build a Mana Base That Actually Casts Your Spells
Use probability analysis to determine how many sources of each color your Commander deck needs. Learn which land types give the best fixing and how to avoid getting color-screwed.
May 4, 202612 min read