When Azure Fleet Admiral enters the battlefield, you become the monarch.

Azure Fleet Admiral can't be blocked by creatures the monarch controls.

Haste

When Brazen Buccaneers enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

When Brazen Freebooter enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Menace

Whenever one or more Pirates you control deal damage to your opponents, exile the top card of each of those opponents' libraries. You may play those cards this turn, and you may spend mana as though it were mana of any color to cast those spells.

Partner (You can have two commanders if both have partner.)

When Burdened Aerialist enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever you sacrifice a token, Burdened Aerialist gains flying until end of turn.

Whenever Captain Vargus Wrath attacks, Pirates you control get +1/+1 until end of turn for each time you've cast a commander from the command zone this game.

Flying

Cloud Pirates can block only creatures with flying.

Trample

When Crimson Fleet Commodore enters, you become the monarch.

As an additional cost to cast this spell, reveal a Pirate card from your hand or pay {2}.

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Haste

{T}, Sacrifice Fanatical Firebrand: It deals 1 damage to any target.

{1}{R}: Fathom Fleet Firebrand gets +1/+0 until end of turn.

Whenever Fathom Fleet Swordjack attacks, it deals damage to the player or planeswalker it's attacking equal to the number of artifacts you control.

Encore {5}{R} ({5}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

This spell costs {1} more to cast for each target beyond the first.

Fireball deals X damage divided evenly, rounded down, among any number of targets.

Menace (This creature can't be blocked except by two or more creatures.)

Headstrong Brute can't block.

Headstrong Brute has menace as long as you control another Pirate.

When Impulsive Pilferer dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Encore {3}{R} ({3}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

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As long as Kaervek's Torch is on the stack, spells that target it cost {2} more to cast.

Kaervek's Torch deals X damage to any target.

Kitesail Corsair has flying as long as it's attacking.

Lava Burst deals X damage to any target. If Lava Burst would deal damage to a creature, that damage can't be prevented or dealt instead to another permanent or player.

Changeling (This card is every creature type.)

When Littjara Kinseekers enters the battlefield, if you control three or more creatures that share a creature type, put a +1/+1 counter on Littjara Kinseekers, then scry 1.

Flying

Whenever one or more Pirates you control deal damage to your opponents, you create a Treasure token for each opponent dealt damage. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Partner (You can have two commanders if both have partner.)

Whenever Merchant Raiders or another Pirate enters the battlefield under your control, tap up to one target creature. That creature doesn't untap during its controller's untap step for as long as you control Merchant Raiders.

Changeling (This card is every creature type.)

Flying

{1}{U}: Mistwalker gets +1/-1 until end of turn.

Changeling (This card is every creature type.)

Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn.

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When Prosperous Pirates enters the battlefield, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flying

Rishadan Airship can block only creatures with flying.

Rolling Thunder deals X damage divided as you choose among any number of targets.

When Sailor of Means enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flying

When Siren Lookout enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Raid -- This spell costs {1} less to cast if you attacked this turn.

Flying

Flying

{U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Flash (You may cast this spell any time you could cast an instant.)

Flying

{3}{U}: Draw a card.

Haste

Storm Fleet Sprinter can't be blocked.

Flying

Changeling (This card is every creature type.)

{R}: War-Spike Changeling gains first strike until end of turn.