Maybe not the most serious deck. But, I've played butterfree with Baby Ho-oh from LOT and was able to take some big Knock-outs and that card is trash. I figure, the Legendary Birds are much better and about as easy to charge up with butterfree.
17
4 Moltres & Zapdos & Articuno-GX
4 Caterpie UNB
4 Metapod UNB
3 Butterfree UNB
1 Mew UNB
1 Oranguru UPR
31
4 Cherish Ball
4 Net Ball
4 Pokemon Communication
2 Great Potion
2 Switch
1 Tag Switch
2 Powerplant
1 Volkner
3 Coach Trainer
4 Cynthia
3 Lillie
1 Judge
12
4 Lightning Energy
4 Fire Energy
4 Water Energy
17
4 Moltres & Zapdos & Articuno-GX
4 Caterpie UNB
4 Metapod UNB
3 Butterfree UNB
1 Mew UNB
1 Oranguru UPR
31
4 Cherish Ball
4 Net Ball
4 Pokemon Communication
2 Great Potion
2 Switch
1 Tag Switch
2 Powerplant
1 Volkner
3 Coach Trainer
4 Cynthia
3 Lillie
1 Judge
12
4 Lightning Energy
4 Fire Energy
4 Water Energy