If none of the existing Grixis pirate commanders float your boat, Kenway is looking like a powerful, and very easy-to-build-around alternative
Minerva, Lightsworn Maiden Type Tuner Monster Attribute LIGHT Typing Spellcaster Level/Rank 3 ATK 800 DEF 200 Archetype Lightsworn Typings Tuner / Effect TCG Date 2014-06-27 OCG Date 2013-11-23 Card Text When this card is Normal Summoned: You can add 1 LIGHT Dragon-Type monster from your Deck to your hand, whose Level is less than or equal to the total number of "Lightsworn" monsters with different names in your Graveyard
3 Extra Decks Are Less Common The Extra Deck may still be present in Rush Duels, but it is rarely used and fans no longer have to worry about their opponent spam summoning or constantly returning monsters to and from it, as they had to with Elemental Heroes and Neo-Spacians, at least until they have Rush Duel versions
If you do not have a way to counter it, keep your opponents board clear or their graveyard empty, you will never get rid of Recurring Nightmare
That's great for pauper Magic players as Killing Wave is one of the better black board wipes