Despite the drawback of only being able to activate Tataru Taru's ability once per turn, there are still plenty of opportunities to build up a considerable horde of valuable treasure
Many cards have rules text on them that allows them to use an ability, with a special effect
Silverquill Statement(Black/White): Stylish wordsmiths who master the magic of words, from inspiring battle poetry to biting arcane insults
You ideally want to be a little ahead or at least have multiple ways to deal with any given problem available to you so you are never forced into trading your Counterspell for a weak card
Theres a torturers pleasure to paralyze Juzam or Serendib and then keep them from the fourth mana, hehehe
Hakoda, Selfless Commander Hakoda, Selfless Commander lets you cast your ally spells from the top of your library, so you know which deck you want to slot it into