Breaching Hippocamp

Creature — Horse Fish

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, untap another target creature you control.

CMC
4
Mana cost
{3}{U}
Color identity
U
Rarity
common
Set
Jumpstart: Historic Horizons
Price
EDHREC rank
#14638
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Breaching Hippocamp card art
Breaching Hippocamp enters the battlefield and untaps another creature you control — that's the whole engine, and it's enough to go infinite with Kiki-Jiki, Mirror Breaker. Four mana on a 2/3 body is a steep rate for fair play, so this card earns its slot exactly one way: as a combo piece.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

Breaching Hippocamp is a pauper-legal common, which is the only non-Commander format where it sees any meaningful discussion — untap triggers on a body have niche applications in creature-based combo shells there. In Legacy, Modern, and Pioneer the four-mana cost price tag prices it out entirely; faster, cheaper untap effects exist at every turn. Commander is its natural home, where the singleton rule makes redundant combo pieces worth including and the slower pace lets a four-drop resolve without immediately losing the game.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

Pricing data isn't currently available for Breaching Hippocamp, but as a bulk common it historically sits well under $0.50 in most markets. If you need it for a combo line, pick it up without hesitation — you're not paying a premium for this one.

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.