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Thousand-Year Storm

Enchantment

Whenever you cast an instant or sorcery spell, copy it for each other instant and sorcery spell you've cast before it this turn. You may choose new targets for the copies.

CMC
6
Mana cost
{4}{U}{R}
Color identity
RU
Rarity
rare
Set
Magic Online Promos
Price
—
EDHREC rank
#1418
Buy on TCGplayer
Thousand-Year Storm card art
Thousand-Year Storm turns every subsequent instant or sorcery into a cascade of copies — one cantrip into two, two into four, and by the third or fourth spell you're lapping the table. Six mana is real, but support pieces like Storm-Kiln Artist and Lilah, Undefeated Slickshot offset that cost before the enchantment even resolves.

Best Commanders

Commanders with the highest synergy

01
Lilah, Undefeated Slickshot

Lilah, Undefeated Slickshot

67.2% of decks · synergy 0.51

Lilah, Undefeated Slickshot appears in over 67% of her builds with Thousand-Year Storm because she turns each copied instant into a foretell trigger and additional power stacking — the Storm copies scale her combat threat while she simultaneously threatens lethal through commander damage.

02
Veyran, Voice of Duality

Veyran, Voice of Duality

51.6% of decks · synergy 0.35

Veyran, Voice of Duality doubles magecraft triggers, so each copy created by Thousand-Year Storm fires Veyran's ability again — the result is an exponential chain where a five-spell turn isn't just five copies, it's ten-plus magecraft triggers.

03
Gandalf of the Secret Fire

Gandalf of the Secret Fire

37.9% of decks · synergy 0.34

Gandalf of the Secret Fire casts instants and sorceries from outside your hand, which means Thousand-Year Storm copies those spells just as freely as ones from your hand — Gandalf's built-in spell acceleration feeds the storm count faster than most commanders can.

04
Storm, Force of Nature

Storm, Force of Nature

37.5% of decks · synergy 0.32

Storm, Force of Nature rewards casting multiple spells in a turn with direct damage triggers, and Thousand-Year Storm multiplies every spell in that chain — a single turn with three or four spells becomes a lethal storm count before opponents can respond.

05
Iroh, Grand Lotus

Iroh, Grand Lotus

37.7% of decks · synergy 0.32

Iroh, Grand Lotus generates value off each instant and sorcery cast, and Thousand-Year Storm's copies count as separate spell events — that interaction turns a modest mid-game spell chain into a full hand refill and board development in one turn.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern legal
pioneer legal
standard legal
vintage legal
pauper not legal
oathbreaker legal

Thousand-Year Storm is legal across every major constructed format but barely sees play outside Commander — six mana is simply too slow for Legacy, Vintage, or Modern, where dedicated storm decks have cheaper, more consistent payoffs. In Pioneer and Standard the enchantment is a win-more card that requires protecting across multiple turns, which the faster environments punish. Commander is where it belongs: multiplayer games run long enough to cast it, and a single fully-stacked turn often wins on the spot or generates so much value that recovery is impossible.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

Price data for Thousand-Year Storm isn't currently available in the index, so check Scryfall or TCGPlayer for the live number before buying. It has historically settled in the $3–8 range for non-foil copies — low enough that it's worth grabbing if you're building any Izzet spell-chain commander.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.