Eye of the Storm isn't the only enchantment built around copying instants and sorceries, but it works nothing like the other cards in that space.
Thousand-Year Storm and Swarm Intelligence are the two closest real comparisons, and each takes the same basic idea in a genuinely different direction.
This guide compares all three side by side so it's clear which one actually fits a given deck's plan.
If you're choosing between these enchantments, the differences matter more than the shared theme suggests.
Eye of the Storm costs 5UU and reads: whenever a player casts an instant or sorcery spell, exile it, then that player copies each instant or sorcery card exiled with Eye of the Storm, and may cast each copy for free.
It's symmetrical, affecting every player at the table, and it exiles the original spell entirely, building a shared, growing pile of exiled spells over the course of a game.
Thousand-Year Storm costs 4UR and reads: whenever you cast an instant or sorcery spell, copy it for each other instant and sorcery spell you've cast before it this turn, and you may choose new targets for the copies.
Unlike Eye of the Storm, it only benefits its controller, doesn't exile anything, and resets its count every turn rather than building a permanent shared pile.
Swarm Intelligence costs 6U and reads: whenever you cast an instant or sorcery spell, you may copy that spell, and you may choose new targets for the copy.
It's the simplest of the three, offering exactly one copy per spell cast with no exile, no turn-count scaling, and no effect on opponents' spells at all.
Eye of the Storm is the only one of the three that's symmetrical, meaning every player at the table benefits from the same trigger, which makes it a political, multiplayer-focused card in a way the other two aren't.
Thousand-Year Storm and Swarm Intelligence both only benefit their own controller, making them more straightforward, less political inclusions in a spellslinger deck.
Thousand-Year Storm scales within a single turn, getting exponentially better the more spells you cast in that turn but resetting completely once the turn ends.
Eye of the Storm instead builds a pile that persists for the rest of the game, meaning a spell cast on turn four can still be copied off a trigger on turn twelve.
A mono-color or two-color deck focused purely on maximizing its own turn wants Thousand-Year Storm, since its scaling rewards a single explosive turn over a long-game plan.
A multiplayer Commander pod that wants a genuinely chaotic, political centerpiece is better served by Eye of the Storm, while Swarm Intelligence fits a simpler, lower-commitment spellslinger shell that just wants steady incremental value.
Thousand-Year Storm rewards a low curve within a single turn's mana, while Eye of the Storm rewards a deck built for the long game across many turns.
Swarm Intelligence is the most forgiving of the three to include, since it doesn't require nearly as much dedicated build-around support to be worth its slot.
Eye of the Storm costs 5UU, hits every player's spells, exiles the original, and builds a pile that lasts the whole game.
Thousand-Year Storm costs 4UR, only copies your own spells, doesn't exile anything, and resets its scaling every turn.
Swarm Intelligence costs 6U, only copies your own spells one at a time, and is the simplest and lowest-commitment of the three to actually include.
Nothing stops a dedicated spellslinger deck from running two or even all three of these enchantments together, since their triggers stack rather than conflict with each other.
A deck doing this gets noticeably more explosive but also more mana-hungry and slower to assemble, so it's a build worth trying only once the individual pieces are already understood on their own.
Because all three enchantments trigger off the same casting event, sequencing which one resolves first can also change how the resulting copies interact for the rest of that turn.
No, it only copies spells its own controller casts.
Only Eye of the Storm exiles the spell it copies.
It's simpler and lower-ceiling, but also easier to include without a dedicated build.
Eye of the Storm, since its symmetrical effect benefits every player.
Whichever spell-copy enchantment fits your deck, the cheap cantrips that power all three wear down fast without protection. A pack of matte sleeves keeps a heavily-shuffled spellslinger deck in good shape.
These three enchantments prove the same basic idea, copying spells, can support three completely different deckbuilding philosophies.
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