Does Seviper's "More Poison" Ability stack with the effect of Toxapex GX's "Super Intense Poison" attack?
Yes, you first put 10 damage counters for the Super Intense Poison attack and then you get to add 1 damage counter for each More Poison ability.
Source: TPCi Rules Team (2017-08-03)
If I put a Charizard GX in play using Ho Oh GX's "Eternal Flame GX" attack, and my opponent evolves into Porygon-Z and uses its "Initialize" Ability, does Charizard GX go back into my hand?
No. Charizard GX is in play as an "unevolved Pokemon" and so is not affected by the Ability.
Source: Burning Shadows FAQ (2017-07-20), TPCi Rules Team (2017-08-03)
If I have a Solrock in play so that Lunatone's "Heal Block" ability is activated, does it apply to all Pokemon in play or just the two active Pokemon?
It applies to all Pokemon in play.
Source: Burning Shadows FAQ (2017-07-20), TPCi Rules Team (2017-08-03)
Can I play "Acerola" to return a damaged Pokemon and all cards attached to it to my hand when Lunatone's "Heal Block" ability is activated?
Yes, you can return the Pokemon and attached cards to your hand.
Source: Burning Shadows FAQ (2017-07-20), TPCi Rules Team (2017-08-03)
Can you use Dusknoir's "Dark Invitation" Ability if your opponent's Bench is full?
No, you may not. It's public knowledge that you can't put down any additional Basic Pokemon on your opponent's Bench, so you cannot use the Ability.
Source: TPCi Rules Team (2017-08-03)
When searching my deck, at what point can I no longer change my mind on which cards I am choosing?
When something says to search your deck for cards you should search the deck, make your choice, and shuffle afterward. Once you begin shuffling you may not go back and change your choice unless your opponent allows you to do so.
Source: TPCi Rules Team (2017-07-06)
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)
When using Drampa GX's "Berserk" attack, must ALL Benched Pokemon have at least 1 damage counter or do you only need 1 Benched Pokemon with a damage counter on it to add the +70 damage?
If any of your Benched Pokemon have damage counters it will add the +70 damage. If it required all of them it would have said "all" or "each" in the attack text.
Source: TPCi Rules Team (2017-07-06)
When using Tapu Koko GX's "Aero Trail" Ability, can I choose to move zero energy cards and switch it with the Active Pokemon?
No, you may not. It says if you do move energy, and moving "zero energy" is not moving energy; therefore you do not get to switch Tapu Koko GX with your Active Pokemon.
Source: TPCi Rules Team (2017-07-06)
Can I use Brooklet Hill to search through my deck even if my Bench is full?
No. Since your Bench is already full it's public knowledge that Brooklet Hill won't have any effect, so you cannot search your deck.
Source: TPCi Rules Team (2017-06-27)