On average, using its activated ability will put half of your deck into the yard, which should be enough to keep you going for the rest of the game
While it's not great as a Rogue Tribal commander since 1) it doesn't really support Rogue Tribal 2) its "roguejutsu" requires Zareth to be in your hand, not command zone, Zareth is still a great card in the 99 of Anowon, the Ruin Thief since his combat trigger is absolutely brutal, basically a more flexible Ink-Eyes, Servant of Oni trigger
And those valuable cards are the topic of today's article
The trick with Library is knowing when to play slowly to reap the card advantage and when to press your advantage by deploying all the spells youve drawn
Both its Pokmon Power and its lone attack have the same effect of targeting active Pokmon or Pokmon in the bench
In the meantime, I'll be back next week with a look at Temur in Standard for Temur Week