核をうろつくもの 
Core Prowler
アーティファクト・クリーチャー — ホラー2/2
Printed (JA)
アーティファクト・クリーチャー — ホラー
感染 （このクリーチャーは、クリーチャーに－１/－１カウンターの形でダメージを与え、プレイヤーに毒カウンターの形でダメージを与える。） 核をうろつくものが戦場からいずれかの墓地に置かれたとき、増殖を行う。 （あなたはカウンターの置かれているパーマネントやプレイヤーを望む数だけ選び、その後それぞれに、その上にすでに置かれているカウンターのうち１種類を１個置く。）
Oracle text (EN)
Artifact Creature — Phyrexian Horror
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When this creature dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Printing details
- Set
- MBS · 103
- Rarity
- Uncommon
- Language
- JA
- Artist
- Dave Allsop
- Released
- 2011-02-04
- Prices
- – · –
Price history
The trend shows with at least 7 days of history.
- Cardmarket, trend
The history starts on October 28, 2026 and grows every day.
Show the data
| Date | Cardmarket, trend |
|---|---|
| November 2, 2026 | €0.64 |
| October 29, 2026 | €0.67 |
| October 28, 2026 | €0.61 |
Prices
| Source | Non-foil | Foil |
|---|---|---|
| Cardmarket | low – trend €0.64 30-day avg €0.71 | low €1.89 trend €5.73 30-day avg €4.88 |
| CardTrader (JA) | No offers | |
| CardTrader (any language) | NM from €0.45 | NM from €6.20 |
Cardmarket updated Nov 2, 2026 · CardTrader updated Nov 2, 2026
Buy and look up
Legality
- standard Not legal
- pioneer Not legal
- modern Legal
- legacy Legal
- vintage Legal
- commander Legal
- pauper Not legal
- alchemy Not legal
- brawl Not legal
- competitivebrawl Not legal
- duel Legal
- future Not legal
- gladiator Not legal
- historic Not legal
- oathbreaker Legal
- oldschool Not legal
- paupercommander Not legal
- penny Not legal
- predh Legal
- premodern Not legal
- standardbrawl Not legal
- timeless Not legal
- tlr Not legal
Rulings
-
You don't have to choose every permanent or player that has a counter, only the ones you want to add another counter to. Since "any number" includes zero, you don't have to choose any permanents at all, and you don't have to choose any players at all.
-
Players can respond to a spell or ability whose effect includes proliferating. Once that spell or ability starts to resolve, however, and its controller chooses which permanents and players will get new counters, it's too late for anyone to respond.
-
If a permanent ever has both +1/+1 counters and -1/-1 counters on it at the same time, they're removed in pairs as a state-based action so that the permanent has only one of those kinds of counters on it.
-
An ability that triggers "Whenever you proliferate" triggers even if you chose no permanents or players while doing so.
-
If a player or permanent has more than one kind of counter on it, and you choose for it to get additional counters, it must get one of each kind of counter it already has. You can't have it get just one kind of counter it already has and not the others.
-
To proliferate, you can choose any permanent that has a counter, including ones controlled by opponents. You can choose any player who has a counter, including opponents. You can't choose cards in any zone other than the battlefield, even if they have counters on them.