Group hug is a deck theme that has you giving advantages to your opponents such as extra lands or cards to draw, in exchange for either greater advantages for yourself or temporary truces among your opponents until you have enough of an advantage to win
It is a simple resource for a beginner, a flexible tool for an intermediate player, and for the advanced player, it is the central axis around which the entire tempo and strategy of the game revolves
Until end of turn, target token you control becomes a copy of it, except it has flying. Basically, you can turn any of the tokens you make into whatever creature you want, which could be incredible
The Charizard booster pack also contains an Exeggutor ex card
Jack can rest himself to give one of the opponents Characters -4 cost
That alone puts this card in a different tier of demand and price