Current paper retail
Card Kingdom$0.35
Cardmarket€0.08
ManaPool$0.15
TCGplayer$0.21
MTGO (Cardhoarder)
retail$0.03 tix
90-day paper retail (USD)
3 providers
Harbor Serpent
CommonColour IDMV 6
Creature — Serpent
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
This creature can't attack unless there are five or more Islands on the battlefield.
5 / 5
Keywords
LandwalkIslandwalk
Card capabilities
Creature
Derived deterministically from card types, Oracle text and keywords. Not a strategic evaluation.
Format legality
Primary formats
Eternal formats
Digital formats
Other printings
2 other English printingsEarliest 2011-07-15Newest 2012-07-13Cheapest priced $0.13 in M13
Rulings (2)
wotc15 Aug 2010
Harbor Serpent's abilities care about lands with the land type Island, not necessarily lands named Island.
wotc15 Aug 2010
The second ability checks how many Islands are on the battlefield (regardless of who controls them) only as attackers are declared. Once Harbor Serpent is declared as an attacker, it will continue to attack even if the number of Islands on the battlefield falls below five.
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Ranked by shared capabilities, colour identity, mana value and type — never by strategic judgement.
