Stormrider Rig — ruling 1

If the creature that entered the battlefield is no longer on the battlefield as Stormrider Rig's second ability resolves, Stormrider Rig doesn't move. This is also true if that creature can't legally be equipped by Stormrider Rig.

Stormrider Rig : règles, fonctionnement et interactions (MTG)

Stormrider Rig is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Equipped creature gets +1/+1. Whenever a creature you control enters, you may attach this Equipment to it. Equip

Complete guide

Stormrider Rig is an efficient piece of Equipment that thrives in decks featuring multiple creature spells. Unlike traditional Equipment that requires a manual payment every time you want to move it, this artifact can hitch a ride for free whenever a new ally joins the fray. It provides a consistent combat boost while saving you precious mana throughout the game.

A Mobile Enhancement

Stormrider Rig serves two primary functions: a static +1/+1 buff to the equipped creature and a triggered ability that allows it to jump to any new creature you control. While it has a standard Equip cost of 2 mana, its most powerful feature is the ability to automatically reattach itself without paying that cost. This makes it an excellent tool for aggressive decks that want to keep their newest threats protected or slightly more powerful for combat.

The Trigger Resolution

When a creature enters the battlefield under your control, Stormrider Rig's second ability triggers and goes on the stack. Upon resolution, you choose whether or not to attach the Rig to that specific creature. If the creature has already left the battlefield or has gained protection from artifacts by the time the ability resolves, the Rig will not move and remains where it currently is. You cannot use this trigger to move the Rig to a creature that was already on the battlefield; it must be the creature that triggered the ability.

Strategic Deployment

The best time to utilize Stormrider Rig is in the early turns to maximize the cumulative mana savings. Because the 'attach' ability is optional, you are never forced to move it if your current equipped creature is more important than the new one. Keep in mind that this is a triggered ability, so your opponents have a window to respond with removal before the creature actually receives the +1/+1 toughness boost.

Interaction examples

Powering Out the Rig

Sol Ring

On turn one, you can cast Sol Ring using a single land, then tap Sol Ring for two colorless mana to cast Stormrider Rig immediately. This puts your Equipment on the board early so that every creature played on subsequent turns has the option to equip it for free as they enter.

Efficient Early Setup

Arcane Signet

If you have both Arcane Signet and Stormrider Rig in your hand, you can focus on building your mana base first. After casting the Signet, you can use the mana it produces to help pay for the Rig's initial casting cost or its manual Equip cost if you have a creature already on the board that missed the initial trigger window.

Guide written with AI from the official text and rulings. Official English text prevails.

How it works : Stormrider Rig

Original English text — Wizards of the Coast / Scryfall

#1February 25, 2015· Wizards of the Coast
If the creature that entered the battlefield is no longer on the battlefield as Stormrider Rig's second ability resolves, Stormrider Rig doesn't move. This is also true if that creature can't legally be equipped by Stormrider Rig.
No other card is named in this ruling.