Green has a ton of synergy with +1/+1 counters, with cards ranging from The Great Henge to Benevolent Hydra bolstering this strategy in recent years
Rowlet can be obtained from Mega Rising: Mega Blaziken pack in the Mega Rising set
Garna, the Bloodflame Garna, the Bloodflame is an interesting card because it looks like it has so much value, but it doesnt always pay off
It's so playable because it's so easy to assemble a game-winning combo with it, from Dramatic Reversal giving you infinite storm count to Narset's Reversal and something like Alrund's Epiphany netting you infinite turns
This card, saddled with the Grass-exclusive Erika, means you can generate 80 HP in one turn
X contains Call for Your Power, which lets you move an Energy attached to one of your Pokmon over to your favorite overpowered dragon (provided he's not affected by a Special Condition) as often as you want before you attack