(To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.) The value of X is determined only once, as Tromell's last ability resolves
(Your opponent chooses the new Active Pokemon.) Board Condition : You can only play one Sabrina card per turn (maximum of two in a match)
You'll still use it for mana the majority of the time, but modality's a nice thing to have
However, Lost Zone Box is likely dead as is Lugia Vstar, two top-tier decks from the past season
You could sacrifice a card like, Sentinel's Eyes to bring back a control powerhouse like the oppressive Overwhelming Splendor as early as turn four to shut down your opponent's strategies until it's removed
Modern legal and ready to play!