On one hand we could go Naya, and on the other Bant
It has all kinds of variations based around adding or subtracting certain cards, but ultimately a Stage 1 card capable of doing 130 damage on two energy is always going to be a powerhouse choice
Emerald can also be aggro itself, especially with the popular Legendary card, Beast: Relentless, which readies every time an enemy character is damaged
15 - Machine: Number 42: Galaxy Tomahawk: Machines, A great type with many runner ups: Cyber Laser Dragon is a machine i had a love-hate relationship with: My eyes worshiped its art, and every cell of my body cursed at it in agony whenever its stats and effect are mentioned
Single Strike Urshifu V85/163 Single Strike Urshifu V#85 Single Strike Urshifu VMAX86/163 Single Strike Urshifu VMAX#86 Rapid Strike Urshifu V87/163 Rapid Strike Urshifu V#87 Rapid Strike Urshifu VMAX88/163 Rapid Strike Urshifu VMAX#88 Zubat89/163 Their skin is so thin that they'll be burned if sunlight hits them
Fittingly, this will usually kill somethign when it enters, and 7 charge counters to turn it into a creature is very doable
