The first two of these sets were Modern Horizons and Modern Horizons 2
Adamancipator can easily go into any kind of Extra Deck Monster, and with how much consistency they have, you will be able to play to whatever your opponent is playing
In fact, I would dare to say that we get a new Switch card every other set
To summon it, you can tribute three Monsters on the opponent's side of the field
Golgari Ouroboroid (5 players) : Golgari Ouroboroid shares many key green cards with its Simic sibling but adds black for removal spells, Lively Dirge, and Overlord of the Balemurk, letting it find Ouroboroid more consistently
Schoolgirl #277 The fourth Rainbow Trainer card is Schoolgirl, sitting with an estimated worth of $11.99