CR / RELEASE 2026-07-24
Rule 429
Add
Rule hierarchy
Direct children
429.1Adding is the action of putting resources into a player's Rune Pool.429.2Triggered and activated abilities that Add resources resolve as soon as they are finalized.429.3Activated abilities that Add resources and have the Reaction tag can be activated at any time that spells or abilities require resources be paid. Example: A player can add Energy and Power through any means before initiating the process of playing a spell. After initiating that process, in the Pay Costs step, they may activate Add Reactions to add Energy or Power to pay costs. Example: A player moves two units to a battlefield where their opponent controls a Mageseeker Investigator. Although they have no window of priority, they may activate Add Reactions to pay for the applied cost from Mageseeker Investigator, and those abilities finalize and resolve immediately.429.4Adding is a Limited Action.429.5This action is formatted as "Add [one or more resources]." e.g., "Add [2]." means "Add 2 Energy." e.g., "[E]: Add [Y]." means "Add 1 Power of the Order domain." e.g., "Add [1][G]." means "Add 1 Energy and 1 Power of the Calm domain."