Goliosopod GX has made one heck of a first impression on me. I've been super excited to make a deck around him since his leak. After a bit of proxy testing, and guessing at what cards might be in the next format, this is the list that I've come up with. Basically it revolves around resetting the effects of first impression to consistently hit for 120+ damage in any way possible. In play testing this deck was very consistent and I can't wait for BUS to release so I can actually put it together.
Pokemon: 15
4x Wimpod (BUS)
4x Goliosopod GX (BUS)
3x Fomantis (SUM)
2x Lurantis (PROMO)
3x Tapu Lele GX (GUR)
Trainers: 33
4x Ultra Ball
2x Field Blower
3x Choice Band
2x Rescue Stretcher
3x Super Scoop-Up
2x Switch
4x Guzma (BUS)
3x N
4x Sycamore
2x Acerola (BUS?)
1x Brigette
1x Hex
1x Kukui
1x Skyla
Energy: 12
8x Grass Energy
4x DCE
Pokemon: 15
4x Wimpod (BUS)
4x Goliosopod GX (BUS)
3x Fomantis (SUM)
2x Lurantis (PROMO)
3x Tapu Lele GX (GUR)
Trainers: 33
4x Ultra Ball
2x Field Blower
3x Choice Band
2x Rescue Stretcher
3x Super Scoop-Up
2x Switch
4x Guzma (BUS)
3x N
4x Sycamore
2x Acerola (BUS?)
1x Brigette
1x Hex
1x Kukui
1x Skyla
Energy: 12
8x Grass Energy
4x DCE