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6 Hunter Wujinx
With Jinx and Wukong being buffed, this comp comes back in the meta! You can aim for a first place if you have a Hunter emblem (play 6 Hunters) or if you get "Spin to Win" that has been debugged (in that case, play Wukong with Gargoyle, Sterak and BT).
Roll at lvl 7 for Wukong and Jinx 3 then push your levels to add more traits, usually, the more preservers, the better.
Varus Arcana Blaster
This version is the strongest Varus comp you will want to play (forget about Ezreal reroll) if you don't have a Blaster emblem. If you have a Blaster emblem then play 6 Blaster no matter what then add as many Arcana as you can.
Make sure to put the Arcana on Tahm Kench until you buy at least 12 charms. Then you can consider putting the Arcana on Xerath (but be careful, you will lose A LOT of tankiness)
Karma Warrior
Karma Warrior is back! It's probably the comp with the highest cap because you can add many 5 cost units and you can scale with your items since all of them will want to be stuffed.
HOWEVER
This is also the most expensive comp you can play at lvl 8 and you will need to have tons of items to be strong as well. I highly recommend playing this comp only if you have an augment that gives items and you have a robust economy.
Arcana Ryze 4 Scholars
Since Rakan is overly contested, this version is the most playable comp and the strongest. Put the Arcana on Tahm Kench to buy enough time for Ryze and Xerath to stack their Archangel.
Kalista 5 Faerie
The "Queen's Guard Armor" got nerfed but this doesn't make this comp unplayable. In fact, now you will be less likely contested on this comp and you can now play with 3 combat augments to cap your board. Make sure to go for this comp if you can at least guarantee your Guinsoo fast because Kalista needs two of them.