Meepsie Meeple Shepherd Replicator 2g

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Meepsie has incredible tanking capabilities within a Meeple comp, thanks to the increased Healing and Shielding Meep Bonus effect. With support from the team, Meepsie could become a tough nut to track.
Additionally, the Meep Impact ability provides a very nice CC, as it heals, slams the target, and knocks them up. But that's not all, it also sends a meepwave which deals a portion of the effects in the target's row.
To top it off, Meepsie also has three traits, including access to Replicator for even more CC potential. I have no doubts, Meepsie will see a lot of play.
Pyke Psionic Voyager 2g

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Pyke's Marked for Death ability allows him to reposition and throw a harpoon at the furthest enemy. Whoever gets hit is then pulled forward, taking physical damage.
Afterwards, Pyke teleports behind them with a cleave, damaging them and nearby enemies. Assuming his timing and positioning lines up, Pyke could have solid carry potential.
Aurora Anima Voyager 3g

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Aurora is an AP caster that can "hack enemies" by opening a hex rift upon them. Those who are hacked store a percentage of the damage they take, which later turns into true damage after the hack ends.
Best of all, if the stored damage is enough to kill the target, the hack will immediately end and take them out. With this, Aurora could be quite the threat if left unchecked, but likely performs best in longer fights.
Karma Dark Star Voyager 4g

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Karma's Singularity gathers the force of a black hole, allowing her to deal magic damage that splits between her target and nearby enemies (while dealing more to the target).
With the added AP from Dark Star, this could amount to a lot of damage, especially with even further investment. She's very simple on the surface, but there's a good chance she'll be on the backlines of the vertical comp.
The Mighty Mech Mecha Voyager 4g

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The Mighty Mech is a monstrous machine, and one of only three Mecha units in the pool. Its Gravity Matrix ability puts it into a defensive stance, increasing its Durability and drawing nearby projectiles towards it.
Throughout this time it also heals, helping fortify its already strong defenses. And once it ends, a shockwave is released, dealing physical damage that scales to Armor and Magic Resist.
As a tank, Mighty Mech looks fantastic, and that's not even accounting for the 60% Health boost of its Ultimate form!
Thanks for reading! If you want to try and come up with your own team comps for Set 17, check out our Team Builder. For a full overview on the new set, check out our TFT Set 17 Reveal Page.