Liger! Things aren't looking too good are they?

Hmmm... We've got a large body of water coming in at us? Fine, then use it. Mimic the Surf to take you up, out, and back onto dry land. While he dives down, lets get some sun going with a Sunny Day. Finally after the Swift hits you, spew some Toxic down into the lake and poison it.

Mimic (Surf)~Sunny Day~Toxic (After Swift)