: If you consistently see packs with 3–5 solid cards of a single color, that color is likely open. Conversely, a complete lack of a color suggests your neighbor is "cutting" it.

Reading signals involves using deductive reasoning to determine which colors or archetypes are "open" (not being drafted by your neighbors).

You send signals to the player on your left by the cards you pass them.

In competitive drafting—most notably in —"The Signal" refers to the non-verbal information passed between players based on the cards they choose or leave behind. Mastering signals allows you to "cooperate" with your neighbors to ensure everyone at the table ends up with a stronger deck. 1. Receiving Signals (Reading the Table)