Countering spells is great, everyone loves it and the three mana hard counter for only one blue mana is not too bad of a deal even in cube
Lastly, against all Gren Majus effect negation is key to shutting them down
So, for example, you can Normal Summon Goldenhair, then Link it off into Salamangreat Almiraj (one of the only non-Plunder Patroll cards in the deck), and then activate Goldenhair in the Graveyard to summon it back, giving you enough material to Link Summon Blackbeard, the Plunder Patroll Captain
By paying 1000 life points, you can have your level 7 or higher Spellcaster (A.K.A the Dark Magician , who are we kidding here Konami?) attack all monsters your opponent controls, once each
Some, like [c]Viscera Seer[/c], can be activated at any time
The player whose turn it is discards down to their maximum hand size