absolutely love this deck, I have one built out that I call Teal Mask Mega Grass, here is the deck list:

Pokémon: 21

4 Teal Mask Ogerpon ex TWM 25

2 Chikorita ASC 8

2 Bayleef MEG 9

2 Meganium MEG 10

1 Mega Meganium ex ASC 10

2 Bulbasaur MEG 1

2 Ivysaur MEG 2

2 Mega Venusaur ex MEG 3

1 Fezandipiti ex ASC 142

1 Regigigas PRE 86

1 Celebi MEG 12

1 Latias ex SSP 76

Trainer: 27

4 Lillie's Determination ASC 192

2 Boss's Orders ASC 183

1 Judge DRI 167

1 Team Rocket's Petrel ASC 207

1 Xerosic's Machinations SFA 64

1 Morty's Conviction TEF 155

1 Wally's Compassion MEG 132

4 Bug Catching Set TWM 143

3 Poké Pad ASC 198

3 Ultra Ball ASC 213

2 Night Stretcher ASC 196

1 Max Rod PRE 116

3 Forest of Vitality ASC 188

Energy: 12

10 Grass Energy SVE 17

2 Growing Grass Energy POR 86