For example, you can use Escape Rope to switch out a Pokmon that has an ability that you want to use, or to bring in a Pokmon that has an attack that can deal with a specific threat
Hilariously, poor Gollum cant normally become the Ring-bearer this way, since hell be in your graveyard, but if youve got instant-speed ways to bring him back from the graveyard to the battlefield, then Gollum will be able to finally reclaim his Precious
That target will determine the value of X and the mana value of the card you discard
Dark Law single-handedly took HEROes from a niche fun deck, to a powerful rouge deck overnight, both of these effects are really strong and can win the user the game on their own
Yes, regardless of the battle's outcome, you get to play this Digimon at the end of the battle