Sentinel

Taric
Morgana
Diana
Ahri

Alune
Cassiopeia
Fiddlesticks
Elise
Rakan
Yorick
Karma
Yunara
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Sentinel
Taric
Morgana
Diana
Ahri
Alune
Taric
Diana
Alune
Cassiopeia
Fiddlesticks
Elise
Sentinel
Morgana
AhriPlay Coven throughout the game but still using strongest board, try to greed for a 250 cash-out. Spellweaver emblem on Morgana->Drop Fiddle is really strong, so is Invoker emblem on Ahri.
Look for 3 Blossom early and play for win streak. Karma can hold items for Ahri. Itemize Yorick or any other 2* tank.
Flex in more Blossom or Spellweavers as you get them. You can tank all kinds of frontline: Juggernauts, Defenders, or Vanguards.
Level and roll for Ahri, Morgana, and the frontline. Once stable, go level 9 for Lux.