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Here is the list of the 5 most broken comps for patch 14.8, a patch that will change the meta forever. Also for each comp, I link a more in-depth guide so you can either use this article as a cheat sheet or use the guides as a support to help you learn more about the game!
TRICKSHOT KAISA
This comp includes many 4 cost units and all of them are getting buffed, expect this comp to be still on top for patch 14.8.
Check how to play it here: https://www.tacter.com/tft/guides/how-to-play-trickshot-kaisa-set-11-challenger-guide-d5853439
INVOKER LILLIA
This comp includes many 4-cost units and all of them are getting buffed, expect this comp to be finally good in the set!
Check how to play it here: https://www.tacter.com/tft/guides/how-to-play-invoker-lillia-set-11-challenger-guide-d039f50f
HEAVENLY KAYN
Heavenly Yone might not be relevant after being nerfed but I do expect Heavenly Kayn to take over: both Kayn and Morgana are buffed and Heavenly doesn't receive a nerf (except if you have 7 Heavenly)
GNAR REROLL
Gnar received a massive buff and is not the most consistent reroll comp in the meta.
PEEBA EXODIA
If you are looking for the most capped board possible because you had an insane Fortune cash out or you snowballed your game in a "Scuttle Puddle" map that gives you tons of resources, you will aim for that Peeba comp. Rely on Wukong, Azir and Lissandra to make you win fights.