Dowsing Device // Geode Grotto
Artifact // Land — Cave
Whenever this artifact or another artifact you control enters, up to one target creature you control gets +1/+0 and gains haste until end of turn. Then transform this artifact if you control four or more artifacts.
- CMC
- 2
- Mana cost
- Color identity
- R
- Rarity
- uncommon
- Set
- The Lost Caverns of Ixalan
- Price
- $0.25
- EDHREC rank
- #5556
Dowsing Device // Geode Grotto flips into a land that taps for any color and produces Treasure tokens, turning artifact-heavy boards into mana acceleration with almost no setup cost. Outside of Tetzin, Gnome Champion decks — where it's a near-auto-include — the device requires too much artifact infrastructure to earn a slot in generalist builds.
Best Commanders
Commanders with the highest synergy
Tetzin, Gnome Champion
Tetzin, Gnome Champion's triggered ability fills the board with artifact tokens, which Dowsing Device // Geode Grotto converts into a free land drop and recurring Treasure production the moment you hit four artifacts — usually turn three or four under Tetzin.
Roxanne, Starfall Savant
Roxanne, Starfall Savant generates Meteor tokens that count as artifacts, giving Dowsing Device // Geode Grotto a reliable path to activation and letting the Geode Grotto side produce fixing and Treasures in a ramp shell that already wants both.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Dowsing Device // Geode Grotto earns a slot in any artifact-tribal deck that can reliably trigger it — the MDFC flexibility means it enters as a land if the Device is redundant, so the card almost never bricks you. Outside artifact synergy decks it competes with strictly better dual lands and loses. In 60-card formats — Modern, Pioneer, Legacy — the four-artifact threshold is achievable in dedicated artifact shells, but the payoff (a tapped land and a single Treasure) is underwhelming relative to what those formats demand for a card slot; it sees essentially no competitive play there. Standard is the one exception where Geode Grotto's fixing and Treasure upside matter enough in resource-constrained artifact builds to justify testing.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.25 bulk tier
At $0.25, Dowsing Device // Geode Grotto sits firmly in bulk territory — pick it up for free in any trade binder raid. Given its narrow synergy requirements, don't expect the price to move unless a future commander pushes artifact-token strategies into the mainstream.
Explore
Sources
Mentioned
- Tetzin, Gnome Champion
- Roxanne, Starfall Savant
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.