Trainers » Cyrus {*}
When using Cyrus{*} does my opponent shuffle in their Active Pokemon too?
No, your opponent only shuffles in their Benched Pokemon except for the 2 that were chosen.
Source: Ultra Prism FAQ (2018-01-19), TPCi Rules Team (2018-02-01)
Trainers » Looker Whistle
Can I use Looker Whistle to search my deck for another Looker Whistle since "Looker" is part of its name?
No, you cannot. You can only search for the card named "Looker".
Source: Ultra Prism FAQ (2018-01-19), TPCi Rules Team (2018-02-01)
Trainers » Mars
If I use Mars with only 1 card left in my deck, can I still discard a random card from my opponent's hand?
Yes, as long as you can draw at least 1 card you get the other effect. Of course if you can't draw any cards, you can't play Mars.
Source: Ultra Prism FAQ (2018-01-19), TPCi Rules Team (2018-02-01)
Trainers » Missing Clover
If you somehow get 4 Missing Clover back into your hand, can you play them all again a second time to take another prize card?
Yes, you can.
Source: Ultra Prism FAQ (2018-01-19), TPCi Rules Team (2018-02-01)
Errata » Cyrus {*} | Trainers » Cyrus {*}
The text on Cyrus{*} should say, "You can play this card only if your Active Pokémon is a {W} or {M} Pokémon". The original text says you can't play this card unless you have a {W} or {M} Pokémon in play, but the intended requirement is to have a {W} or {M} Pokémon as your Active Pokémon.
Source: Organized Play News (2018-01-24)
Trainers » Ninja Boy | Attacks » Type Switch
If I use Arceus' "Type Switch" attack and choose a type, what happens if I use Ninja Boy to switch Arceus for a Basic Pokemon of a different type? Does the new Pokemon become both types or does the new type supersede the choice from "Type Switch"? Or what if you Ninja Boy for a dual-type Pokemon like Volcanion EX that is Fire/Water?
The type chosen by Type Switch overrides the Pokemon's actual type, so the new Pokemon would become the type chosen rather than its regular type. And in the case of a dual-type Pokemon it would become the single type that you chose for Type Switch.
Source: TPCi Rules Team (2017-12-21)
Trainers » Peeking Red Card
I'm confused by the text on Peeking Red Card. After the opponent shuffles their hand into their deck, who gets to draw that many cards, the opponent or me?
The opponent gets to draw that many cards.
Source: Crimson Invasion FAQ (2017-10-20), TPCi Rules Team (2017-11-02)
Trainers » Heavy Ball | Abilities » Wimp Out
Can I use Heavy Ball to search for Wimpod that has the "Wimp Out" Ability on my first turn?
Yes, you can. Abilities only work when in play (unless the card says otherwise), so Wimp Out is not active while Wimpod is still in the deck.
Source: TPCi Rules Team (2017-09-14)
Trainers » Guzma
Can I play Guzma if my opponent doesn't have any Pokemon on their Bench?
No, you cannot. If the opponent doesn't have a bench there's no way to do the second part of the trainer, and you cannot play a Trainer card for no effect.
Source: TPCi Rules Team (2017-08-31)
Trainers » Guzma
If I use Guzma and choose my opponent's Primal Groudon-EX that has the "Omega Barrier" Ancient Trait, do I still get to switch my own Pokemon?
Since Omega Barrier prevents the first effect of Guzma, you do not get to switch your Pokemon.
Source: TPCi Rules Team (2017-08-31)