Its Pokmon Power, Energy Burn, allows you to turn all Energy attached to Charizard into Fire Energy for the rest of the turn, as often as you like during your turn (before your attack)
Honestly, it is difficult to use, but it is useful for checking card text
Don't forget where you came from
The Jumpstart format has also been unbound from its paper roots where the original would simply give you a random selection of themed packs to pick from, WotC tells me it can better collate Historic Horizons packs to offer a greater variety of options and synergies each time, or even keep track of which packs youve picked previously to provide fresh options on your next run
In the case of Vanellope, she reduces the Strength of all opposing characters by 1, for one turn, every time you play another Princess character
Magic: The Gathering has gone back to basics with its latest set