If I had used Muk & Alolan Muk GX's "Severe Poison" attack that places extra Poison damage counters and in the next turn use Koga's Trap, do they still place the extra Poison damage?
No, they don't. The new, normal Poison Special Condition replaces the old Severe Poison Special Condition.
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)
If I Switch my Active Pokemon that is affected by Poison from Muk & Alolan Muk GX's "Severe Poison" attack and Dust Island is in play, does my new Active Pokemon take the extra damage counters?
Yes, it does. Dust Island specifies that it is affected by "that Special Condition".
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)
For Pyukumuku's "Surprise Fist" attack, what happens if Rock-Paper-Scissors ends in a tie?
You have to play R-P-S until there is a winner; you cannot end it in a tie.
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)
Can I use Venomoth GX's "Ten-Card Return GX" attack if I have no cards in my hand?
Yes, but you must shuffle your deck before drawing cards.
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)
If one of my Pokemon has the least HP remaining and I use Greninja's "Bring Down" attack, would it Knock Out my own Pokemon?
Yes! And your opponent gets to take the Prize card(s) for it.
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)
If an Evolution Pokemon has been put directly into play by using Greninja & Zoroark GX's "Dark Union GX" attack can I attach Triple Acceleration Energy to it?
Yes, as long as the Evolution Pokemon says "Evolves from..." on it.
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)
If I use Greninja & Zoroark GX's "Dark Union GX" attack, can I put Honchkrow GX or other {D} type Evolution Pokemon GX directly onto the bench?
Yes, you can.
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)
Does Dewgong's "Dual Blizzard" attack let you do 60 damage each to two separate Pokemon, or does it do 60 total damage split between the two any way I like?
It does 60 damage to each of the two Pokemon separately. And don't forget to apply Weakness & Resistance where applicable.
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)
Can the {R}{R} energy used for Volcanion's "High-Heat Blast" attack count as part of the "at least 4 {R} Energy in play" bonus damage?
Yes, it can.
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)
When I use one of my opponent's Pokemon's non-GX attacks with Malamar's "Hypnotic Reign", do I need to have the energy required in order to use that attack?
No you do not, but you need to do any necessary effects such as discarding Energy.
Source: Unbroken Bonds FAQ (2019-04-19), TPCi Rules Team (2019-05-02)