I took #1 the other day with a Vader team. Sitting #6 atm.
I have to spend more to climb, but I have the coolest looking team in the group.
Level 73.
Vader(L)5* but maxed as can be
Maxed Magma
Maxed RG
Maxed IG-88
Maxed IG-86 (switched around with various experiments, such as Stormtrooper a 5 star Tarkin, a healer, Poe, Phasma). Phasma is usually a nice option for just ridic meter. I do not own Sid or Dooku as I refuse to play them.
Magma helps equalize the speed issue. RG blocks for the IG's. Even if an IG gets OHK I can still win.
It usually goes, Magma, reset their turn (wholesale). Vader, AOE followed by IG-88 AOE and all his crit/dot buffs. It's important to note that Vader applies his Dots like clockwork, where as Sid gets resisted a lot these days.
So at this point some toons may be in the red and I'll pull RG to stun the healer.
86 then does his thing and then it's just clean up.
This is super fun against dooku teams. They can't dodge it all and are usually full of squishies. 86 helps take out RG in one swing.
There's enough dots to keep Rey in check (any neg statuses nerf her).