The bigger the bundle, the better
Niv-Mizzet Reborn Niv-Mizzet, Guildpact Niv-Mizzet, Supreme O-Kagachi, Vengeful Kami Scion of the Ur-Dragon The Ur-Dragon Tiamat Two-Headed Hellkite
It can dominate a game all by its self and get very out of hand or just pay for itself in on attack and trade off
Its important to distinguish that the more swirls your Holo Energy cards have, the more rare they are
2 Spring Back : For two water energies, this attack does 20 damage, but if your opponent has a prize card left to win the game, it does 50 more damages and your opponent's Pokmon is also Asleep
Lands are the opposite of a do nothing (except in late game floods which these cards help prevent) in that lands are the things that enable almost all of the doing