Easily abused when you use the Book of the Skulls or any other power-granting resource or relic. Her copies can use whatever powers she can use.
Tricky fig that can be a support piece or a primary attacker with the right resource.
Strategies and game play:
The obvious choice is to make use of the limited Empower that she and her Triplettes get. She is supposed to be a close combat fig, with no range at all. Without a resource, she will need to stay with her Triplettes to buff up her damage. She relies on her super senses to avoid damage.
You can use her Triplettes for tie-up pieces. And when one us KO'd, she and the other Triplette can use Willpower.
Put her on a Legion Lost ATA team, have then gain the Superman enemy team ability. When she positions next to a teammate with that TA, her copies also can use Outwit.
On a theme team, her copies can use probability control the entire game because she can use the theme-team Probs. That is until she uses them up. But of course, you wouldn't let her do that.
With planning, she is a brutal support piece.
Combos with other miniatures:
Gates is an obvious choice because it can carry other figs regardless of their movement symbols. And it's a Legion fig.
Splitlip with the Book of the Skulls. Leave one of the Triplettes behind if needed for the extra power action for a hammerbom. Or keep them up front for a multiplication of the hammer's powers.
Any of the Legion Founders figs could make Splitlip a legion member, thereby giving you a theme team, including theme team probs. Since Trippy can use those probs, then her copies can use the power as well (but I don't think they have to use a power action to do so).
Use a Legionnaire Ring Relic or two to let them carry each other.
Another Triplicate Girl for more ridiculous shenanigans!
Ways to counteract it:
Pulse Wave will quickly wipe out the Triplettes.
Multiplication of powers granted to Triplicate Girl through her copies.
Lack of move and attack powers and damage reducers. She needs a resource to buff up.
She and her Triplettes can't be carried because of the wing symbol (that's why you need Gates or a Legionnaire Ring.)
Artwork and aesthetics:
Really it's a pretty dull sculpt and it bends far too easily in my box.
In sealed she's just a 4/10 but in a constructed team with a resource, she's a 8/10.