Galvanic Relay
Sorcery
Exile the top card of your library. During your next turn, you may play that card.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)
- CMC
- 3
- Mana cost
- Color identity
- R
- Rarity
- common
- Set
- Modern Horizons 2
- Price
- $0.24
- EDHREC rank
- #9386
Galvanic Relay exiles the top card of your library for each spell cast this turn under the storm umbrella, then lets you cast all of them for free next turn — it's a delayed mass-draw that can refuel an entire hand off a single explosive turn. Urabrask decks treat it as a near-mandatory include because the impulsive-draw style matches exactly how that commander wants to play.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | banned |
| oathbreaker | legal |
Galvanic Relay carries one restriction worth naming: it's banned in Pauper, where cheap storm payoffs at common rarity are dangerous enough that the format won't tolerate it. Every other Constructed format leaves it legal, but it rarely sees Legacy or Vintage play because those formats demand faster, more decisive storm payoffs than a delayed card-advantage spell provides. Commander is where Galvanic Relay genuinely earns its slot — the one-turn delay is almost irrelevant at a 100-card table where you're unlikely to win the same turn you cast it anyway, and the sheer card count it can generate off a busy storm turn is hard to match at two mana.
Best Commanders
Commanders with the highest synergy
Urabrask
Urabrask generates storm count naturally by giving your spells haste and pushing through a long chain, so Galvanic Relay frequently exiles five or more cards in a single turn and buries opponents in free casts the following turn.
Laelia, the Blade Reforged
Laelia, the Blade Reforged already rewards you for exiling cards off the top of your library, and Galvanic Relay feeds that engine directly — every card it parks in exile is a counter on Laelia and a free spell waiting to land.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.24 bulk tier
At $0.24, Galvanic Relay is firmly bulk — you're picking it out of a common box or rounding it into a cart without a second thought. Bulk rares rarely spike unless a format bans them into scarcity or they become a combo centerpiece, and Galvanic Relay is too niche for either trajectory.
Explore
Sources
Mentioned
- Urabrask
- Laelia, the Blade Reforged
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.