Max speed

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Max speed
Keyword Ability
Type Static
Introduced Aetherdrift
Last used Aetherdrift
Reminder Text No official reminder text
Scryfall Statistics

Max speed is a keyword ability that grants an ability to the permanent or card it’s on only if that permanent’s controller (or that card’s owner, if it isn’t on the battlefield) has a speed of 4.

Description

Max speed is reached once your speed is 4 and your speed can't go any higher. Most cards with "Start your engines!" have abilities that are active once you have max speed.

These abilities are noted with "Max speed — [Ability]." That means that as long as you have max speed, meaning your speed is 4, the permanent has the stated ability.[1]

Rules

From the glossary of the Comprehensive Rules (July 25, 2025—Edge of Eternities)

Max Speed
1. A player has max speed if their speed is 4. See rule 702.179, “Start Your Engines!”
2. A keyword ability that grants an ability to the permanent or card it’s on only if that permanent’s controller (or that card’s owner, if it isn’t on the battlefield) has a speed of 4. See rule 702.178, “Max Speed.”

From the Comprehensive Rules (July 25, 2025—Edge of Eternities)

  • 702.178. Max Speed
    • 702.178a A max speed ability is a special kind of static ability. “Max speed — [Ability]” means “As long as your speed is 4, this object has ‘[Ability].’” See rule 702.179, “Start Your Engines!”
    • 702.178b If an ability granted by a max speed ability states which zones it functions from, the max speed ability that grants that ability functions from those zones. (See rule 113.6c.)

Rulings

  • If the granted ability functions in a zone other than the battlefield, the max speed ability does too.
  • If a card has a max speed activated ability, and you have max speed, the card will have that activated ability in every zone.[2]
  • Cards that gain activated abilities, like Agatha’s Soul Cauldron, can gain that ability at max speed.

References