As your creatures die and your experience counters build (a scenario that is very easy to accomplish through the use of a board wipe while Meren is in play), youll get to bring back bruisers like Razaketh, the Foulblooded or Sepulchral Primordial to start closing out the game
Sazhs Chocobo is one example of many, According to the WeeklyMTG stream
Metas shift all the time, especially with the influx of Magic: The Gathering cards being printed every year
Midnight Clock As noted in the Honorable Mentions, we've left some very popular mana rocks out of this ranking on grounds of them being cantrips rather than providing card advantage
While it wont stop your opponents from searching their libraries, Archivist of Oghma can quickly refill your hand when youre playing against tutors, fetchlands, and land ramp
I could have written just about these three cards, to be honest (and maybe I will, in the future), but theres something to be said for the sheer flexibility and potency of Dihada, Henzie and Raffine