Build Suggestion for Pyre Ant?

[Mekadave]

Tip on Rain of Fire: It's one of the only powers that doesn't need Accuracy slotting. It's base accuracy is 175% (unlike the base of normal attacks (75%)). It only needs 3 Damage, and maybe a Recharge or an End Reducer.
Global: @Jimmy Amp
"Broad-minded is just another way of saying a fellow's too lazy to form an opinion." -- Will Rogers