Energy » Beast Energy {*} | Attacks » Mind Blown
If Blacephalon GX uses its "Mind Blown" attack to discard a Beast Energy as one of the Fire Energy discarded, does it still get the +30 damage bonus from Beast Energy?
Yes, it does. The energy cards are chosen, then Damage is calculated before the cards are sent to the Lost Zone.
Source: TPCi Rules Team (2018-11-01)
Energy » Beast Energy {*} | Attacks » Eat Sloppily
If I use Guzzlord GX's "Eat Sloppily" attack and discard a Beast Energy {*} card, would it get attached to the Guzzlord GX, or would it go straight to the Lost Zone because it was discarded?
When "discarding the top 5 cards of your deck", any revealed Energy cards get attached to Guzzlord GX immediately, before they reach the Discard Pile. Therefore, Beast Energy {*} gets attached to Guzzlord GX rather than going to the Discard Pile or Lost Zone.
Source: TPCi Rules Team (2018-05-31)
Energy » Super Boost Energy {*}
If I have 3 or more Stage 2 Pokemon in play, can I attach Super Boost Energy {*} to any of my Pokemon (regardless if it's Stage 2 or not) and get the 4-Energy effect?
No, you only get the multiple energy and rainbow effects when it's attached to a Stage 2 Pokemon.
Source: TPCi Rules Team (2018-02-08)
Energy » Unit Energy
Can I have 4 Unit Energy {G}{R}{W} and 4 Unit Energy {L}{P}{M} in my deck?
Yes, you can. The symbols {G}{R}{W} and {L}{P}{M} are part of the name of the card, so they are counted as different cards. When adding Unit Energy cards to a decklist, be sure to include the symbols as part of the card name on your list; you may list them as "Unit Energy GRW" and "Unit Energy LPM".
Source: Ultra Prism FAQ (2018-01-19), TPCi Rules Team (2018-02-01)
Energy » *Energy Cards In General
Most Special Energy cards that provide a particular energy type do not provide that type when it is in the deck, the discard pile, or in your hand. Please read the text of the Special Energy card for clarification.
Source: TPCi Rules Team (2017-07-06)
Abilities » Dual Armor | Energy » Shield Energy
Can I attach a Shield Energy to Lucario with the "Dual Armor" Ability?
It depends on when the Shield Energy is being attached. If Lucario already has a Metal Energy attached to it Dual Armor makes Lucario both Fighting & Metal types, so you CAN attach Shield Energy at that point. However, if Lucario does not already have a Metal Energy attached or if its Dual Armor ability has been shut off, then you CANNOT attach a Shield Energy to Lucario.
Source: TPCi Rules Team (2016-02-25)
Abilities » Dual Armor | Energy » Shield Energy
If Lucario with "Dual Armor" Ability has one Basic Metal and one Shield Energy attached, what happens if the Basic Metal Energy card is removed? Does Lucario remain a Metal type or would I have to discard the Shield Energy?
Once Lucario gains Metal typing due to Dual Armor it stays that way as long as a Metal Energy is attached. And Shield Energy provides a Metal Energy as long as it is attached to a Metal type Pokemon. So if only the Shield Energy remains, Lucario stays Metal type and the Shield Energy remains attached.
Source: TPCi Rules Team (2016-02-25)
Energy » Splash Energy
If Greninja has Splash Energy attached and is Knocked Out by damage from my opponent's attack, do I put the Greninja card into my hand or to the Discard Pile?
No, you put all the Pokemon in the evolution line into your hand, including Mega and Break evolutions. Any other cards attached such as Tools or Energy are discarded.
Source: BREAKpoint FAQ (2016-01-23), TPCi Rules Team (2016-02-11)
Energy » Dangerous Energy
If I use an attack that says to "discard an Energy attached to your opponent's Active Pokemon" and I choose to discard their "Dangerous Energy" card, would I still receive the 2 damage counters from "Dangerous Energy" or not?
You would not receive the 2 damage counters.
Source: Ancient Origins FAQ (2015-08-13), TPCi Rules Team (2015-08-13)