Astral Steel 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
Target creature gets +1/+2 until end of turn. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
Complete guide
Astral Steel is a versatile white instant that utilizes the powerful Storm mechanic to bolster your creatures' defenses and power. By timing this spell correctly, you can turn a minor combat trick into a massive defensive wall or a lethal offensive surge. Understanding how the stack handles multiple copies is key to mastering this Scourge classic.
What It Does
Astral Steel provides a target creature with +1/+2 until the end of the turn. While a single instance might seem modest, its Storm keyword allows it to replicate itself for every spell cast earlier in the current turn. These copies are put directly onto the stack, meaning they don't count toward the storm count of future spells, but they do provide multiple instances of the stat boost that can be distributed among any legal targets.
How It Resolves Step by Step
First, you cast Astral Steel and choose its initial target. This puts the spell on the stack and triggers the Storm ability. Next, the Storm trigger resolves, checking how many spells were cast previously this turn (including those cast by opponents or those that were countered). It creates that many copies of Astral Steel on the stack. For each copy, you may choose to keep the original target or select a new one. Finally, each copy resolves one by one, followed by the original spell, applying the +1/+2 bonuses.
Common Mistakes
A common misconception is that countering the original Astral Steel stops the copies. Since Storm is a triggered ability that goes on the stack separately from the spell itself, countering the physical card only removes that one instance; the copies will still resolve unless the Storm trigger itself is countered. Additionally, remember that the copies are not 'cast,' so they won't trigger 'whenever you cast a spell' abilities.
When to Play It
The best time to play Astral Steel is during the declare blockers step after you or your opponent have already played several spells. Because it is an instant, you can use it defensively to save multiple creatures from damage-based board wipes or offensively to push through the final points of damage after a flurry of cheap spells.
Interaction examples
Generous GiftIf you cast Generous Gift to destroy a problematic permanent and then immediately cast Astral Steel, the Storm trigger will see that one spell was cast before it. You will get the original Astral Steel plus one copy. This allows you to give one creature +2/+4 or two different creatures +1/+2 each.
Teferi's ProtectionSuppose you cast Teferi's Protection to save your board, and then cast Astral Steel. Even though your permanents phase out and gain protection, the Storm count increases. However, if your creatures have already phased out from Teferi's Protection, they are treated as though they don't exist and cannot be targeted by Astral Steel. You must ensure you have legal targets on the battlefield as the copies are placed on the stack.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Astral Steel
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
The copies are put directly onto the stack. They aren't cast and won't be counted by other spells with storm cast later in the turn.
No other card is named in this ruling.
- #2· Wizards of the Coast
Spells cast from zones other than a player's hand and spells that were countered are counted by the storm ability.
No other card is named in this ruling.
- #3· Wizards of the Coast
A copy of a spell can be countered like any other spell, but it must be countered individually. Countering a spell with storm won't affect the copies.
No other card is named in this ruling.
- #4· Wizards of the Coast
The triggered ability that creates the copies can itself be countered by anything that can counter a triggered ability. If it is countered, no copies will be put onto the stack.
No other card is named in this ruling.
- #5· Wizards of the Coast
You may choose new targets for any of the copies. You can make different choices for each copy.
No other card is named in this ruling.
Legal formats
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Meta decks with Astral Steel
No archived Top 8 deck with this card yet.