"Changes in the meta of FORMAT in MONTH-YEAR: Top 5 cards and Top 3 decks" pretends to evaluate how the metagame changed between one month of a year.
I am not a professional player and I do not intend to give my opinion here but in fact inform what is happening in the metagame. Did you see that we have a metagame session in this site? There we have MTGO, Star City Games, Channel Fireball and Nerd Rage Gamming top 8 tournament decks; These are big tournaments with many professionals playing. With the decks of this metagame we can process the cards that have being more played last month!
Let's take a look? Remembering that I make a comparison of the month before last month and last month!
TOP 5 -CARD UNIT INCREASE COMPARATIVE
5º - Silhana Ledgewalker - from 8 to 23 unit. (+15)
4º - Deprive - from 13 to 34 unit. (+21)
3º - Tragic Lesson -from 0 to 23 unit. (+23)
2º - Echoing Truth - from 18 to 44 unit. (+26)
1º - Mystic Sanctuary - from 15 to 41 unit. (+26)
TOP 3 - DECK INCREASE COMPARATIVE
3º - Mono Blue Control - from 6 to 9 decks (+3)
2º - Bogles - from 4 to 10 decks (+6)
1º - Izzet Skred - from 5 to 19 decks (+14)
The ban of Arcum's Astrolabe made delver decks have with less colors. Jeskai Skred now is Izzet Skred or Mono Blue Control. Tragic Lesson, although an old card, is just now part of Pauper because of its amazing synergy with Mystic Sanctuary.