探査装置 // 晶洞の岩屋 
Dowsing Device // Geode Grotto
アーティファクト // 土地 — 洞窟
Printed (JA)
探査装置
アーティファクト
探査装置、またはこれでないアーティファクト１つがあなたのコントロール下で戦場に出るたび、あなたがコントロールしているクリーチャー最大１体を対象とする。ターン終了時まで、それは＋１/＋０の修整を受け速攻を得る。その後、あなたが４つ以上のアーティファクトをコントロールしているなら、探査装置を変身させる。
Oracle text (EN)
Dowsing Device
Artifact
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.
Printed (JA)
晶洞の岩屋
土地 — 洞窟
（探査装置から変身する。）
：を加える。
, ：クリーチャー１体を対象とする。ターン終了時まで、それは速攻を得て＋Ｘ/＋０の修整を受ける。Ｘは、あなたがコントロールしているアーティファクトの数に等しい。起動はソーサリーとしてのみ行う。
Oracle text (EN)
Geode Grotto
Land — Cave
(Transforms from Dowsing Device.)
: Add .
, : Until end of turn, target creature gains haste and gets +X/+0, where X is the number of artifacts you control. Activate only as a sorcery.
Printing details
- Set
- LCI · 146
- Rarity
- Uncommon
- Language
- JA
- Artist
- Olena Richards
- Released
- 2023-11-17
- Prices
- – · –
Price history
The trend shows with at least 7 days of history.
- Cardmarket, trend
- CardTrader, Near Mint minimum (JA)
The history starts on October 28, 2026 and grows every day.
Show the data
| Date | Cardmarket, trend | CardTrader, Near Mint minimum (JA) |
|---|---|---|
| November 3, 2026 | €0.16 | €0.43 |
| November 1, 2026 | €0.17 | €0.43 |
| October 30, 2026 | €0.18 | €0.43 |
| October 29, 2026 | €0.18 | €0.44 |
| October 28, 2026 | €0.19 | €0.44 |
Prices
| Source | Non-foil | Foil |
|---|---|---|
| Cardmarket | low – trend €0.16 30-day avg €0.17 | low – trend €0.31 30-day avg €0.33 |
| CardTrader (JA) | NM from €0.43 with Zero from €0.43 | NM from €0.84 with Zero from €0.84 |
| CardTrader (any language) | NM from €0.11 | NM from €0.34 |
Cardmarket updated Nov 3, 2026 · CardTrader updated Nov 2, 2026
Buy and look up
Legality
- standard Legal
- pioneer Legal
- modern Legal
- legacy Legal
- vintage Legal
- commander Legal
- pauper Not legal
- alchemy Not legal
- brawl Legal
- competitivebrawl Legal
- duel Legal
- future Legal
- gladiator Legal
- historic Legal
- oathbreaker Legal
- oldschool Not legal
- paupercommander Not legal
- penny Not legal
- predh Not legal
- premodern Not legal
- standardbrawl Legal
- timeless Legal
- tlr Legal
Rulings
-
The value of X for Geode Grotto's last ability is determined only as it resolves. Once that happens, the value of X won't change later in the turn even if the number of artifacts you control changes.