Coral BarrierHow it works & interactions with other cards

What Coral Barrier Does

Coral Barrier is a 1/3 creature with Defender, meaning it is primarily used for blocking rather than attacking. Its primary value comes from its 'enters' ability, which creates a 1/1 blue Squid creature token. Notably, this Squid has Islandwalk, a keyword that makes it unblockable if the opponent controls at least one land with the Island subtype.

Resolving the Ability Step by Step

First, you cast Coral Barrier by paying its mana cost. Once it successfully enters the battlefield, its triggered ability goes on the stack. When that ability resolves, you place a 1/1 blue Squid token onto the battlefield. Even if Coral Barrier is destroyed in response to the trigger, the ability still resolves and you still get your Squid token.

Common Mistakes to Avoid

Players often forget that Islandwalk depends on the defending player's land types, not just basic Islands. If an opponent controls a non-basic land with the Island subtype, the Squid cannot be blocked. Conversely, if you are attacking a player who does not control an Island, the Squid can be blocked normally. Also, remember that while the Barrier has Defender, the Squid token does not; it is free to attack every turn.

When to Play It

This card is best used in the early to mid-game to stabilize your life total against aggressive decks. Because it provides two bodies for one card, it is excellent for blocking two separate attackers or providing fodder for sacrifice effects. It also shines in 'blink' decks where you can repeatedly exile and return the Barrier to generate an army of Squids.

Interaction examples

The Doubling Throne

Roaming Throne

If you have Roaming Throne on the battlefield with 'Wall' chosen as the creature type, Coral Barrier's ability will trigger twice when it enters. This results in you creating two 1/1 blue Squid tokens instead of one.

Setting Up the Walk

Solemn Simulacrum

While Solemn Simulacrum helps you find an Island for your own mana needs, the Squid token from Coral Barrier needs the opponent to have an Island to be unblockable. In a game of Commander, you might use your Wall to defend while your Squid attacks the player who used Solemn Simulacrum to fetch a basic Island earlier in the game.

Solo Defense

When played alone on turn three, Coral Barrier provides a total of 4 toughness across two bodies. This allows you to block a 2-power creature with the Barrier and a 1-power creature with the Squid, effectively neutralizing an early-game assault.