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There is no “Hermitic Nautilus” in Magic: The Gathering. If you meant Hermetic Study (an Aura that gives Tap: This deals 1 damage to any target), here are similar blue cards:
All allow a similar repeatable ping effect in blue.
| Color: |  |
| Identifies: | |
| Cost: |
 |
| Rarity: | Special |
| Converted Cost: | 2 |
| Power/Toughness: | / |
| Types: | |
| SubTypes: | |
| Languages: | 
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| Layout: | Normal |
| Rank: | |
| Saltiness: |
| Seller | Price |
|---|---|
| Tcgplayer | 0.26 USD / 1.49 USD |
| Cardmarket | 0.18 EUR / 0.86 EUR |
| Cardkingdom | 1.49 USD |
| Cardsphere | 0.35 USD |
: This creature deals 1 damage to any target."
Sacrifice this Aura: It deals 1 damage to any target. | Color: |  |
| Identifies: | |
| Cost: |
|
| Rarity: | Common |
| Converted Cost: | 2 |
| Power/Toughness: | / |
| Types: | |
| SubTypes: | |
| Languages: |
|
| Layout: | Normal |
| Rank: |
: This creature deals 1 damage to any target." | Color: | |
| Identifies: | |
| Cost: |
|
| Rarity: | Common |
| Converted Cost: | 2 |
| Power/Toughness: | / |
| Types: | |
| SubTypes: | |
| Languages: |
|
| Layout: | Normal |
| Rank: | |
| Saltiness: |
| Seller | Price |
|---|---|
| Tcgplayer | 0.19 USD / 3.48 USD |
| Cardmarket | 0.26 EUR / 0.95 EUR |
| Cardkingdom | 0.35 USD / 2.49 USD |
| Cardsphere | 0.23 USD |
: This creature deals 1 damage to any target." | Color: |  |
| Identifies: | |
| Cost: |
|
| Rarity: | Common |
| Converted Cost: | 1 |
| Power/Toughness: | / |
| Types: | |
| SubTypes: | |
| Languages: |
|
| Layout: | Normal |
| Rank: | |
| Saltiness: |
: This creature deals 1 damage to any target."
Equip 
(: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.) | Color: | |
| Identifies: | |
| Cost: |
|
| Rarity: | Special |
| Converted Cost: | 2 |
| Power/Toughness: | / |
| Types: | |
| SubTypes: | |
| Languages: |
|
| Layout: | Normal |
| Rank: | |
| Saltiness: |
| Seller | Price |
|---|---|
| Tcgplayer | 0.26 USD / 1.49 USD |
| Cardmarket | 0.18 EUR / 0.86 EUR |
| Cardkingdom | 1.49 USD |
| Cardsphere | 0.35 USD |
: This creature deals 1 damage to any target."
Sacrifice this Aura: It deals 1 damage to any target. | Color: | |
| Identifies: | |
| Cost: |
|
| Rarity: | Common |
| Converted Cost: | 2 |
| Power/Toughness: | / |
| Types: | |
| SubTypes: | |
| Languages: |
|
| Layout: | Normal |
| Rank: |
: This creature deals 1 damage to any target." | Color: | |
| Identifies: | |
| Cost: |
|
| Rarity: | Common |
| Converted Cost: | 2 |
| Power/Toughness: | / |
| Types: | |
| SubTypes: | |
| Languages: |
|
| Layout: | Normal |
| Rank: | |
| Saltiness: |
| Seller | Price |
|---|---|
| Tcgplayer | 0.19 USD / 3.48 USD |
| Cardmarket | 0.26 EUR / 0.95 EUR |
| Cardkingdom | 0.35 USD / 2.49 USD |
| Cardsphere | 0.23 USD |
: This creature deals 1 damage to any target." | Color: | |
| Identifies: | |
| Cost: |
|
| Rarity: | Common |
| Converted Cost: | 1 |
| Power/Toughness: | / |
| Types: | |
| SubTypes: | |
| Languages: |
|
| Layout: | Normal |
| Rank: | |
| Saltiness: |
: This creature deals 1 damage to any target."
Equip (: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.) 
