That can factor into what you consider a fair trade
As long as this Pokmon is on your Bench, your Zygardes and Zygarde-GXs attacks do 20 more damage to your opponents Active Pokmon (before applying Weakness and Resistance)
If an ability targets something controlled by the "defending player" of an attacking creature and the defending player for that creature changes before that ability resolves, the ability won't resolve because its target has become illegal
FOUR New Cards From MAGIC: THE GATHERING X MARVELS SPIDER-MAN (Exclusive) The world of Magic: The Gathering has collaborated with many iconic nerdy franchises, from the universe of Final Fantasy to the realms of Avatar: The Last Airbender
Due to these concerns, MTG players have consistently complained about this topic since the years start
As part of the Power Nine, this spell allows players to bend time itself, setting up unstoppable combos or simply gaining a crucial tempo advantage