zendikar rising set booster box expected value MTG and 2 double Zendikar Rising Set Booster Display

All Your Powers Combined: Shoutmon X7 Superior Mode, in the most literal sense possible he seems to be the merger of quite literally every Digimon alive save DarknessBagramon

This can be typical of the Universes Beyond sets, with little set narrative in play past the IP MTG is interacting with

Also popular are Gravekeepers Spy and Guard to imbalance the amount of monsters on the field (either by adding your board or removing from the opponents), Tsukuyomi to interfere with opponents monsters or gain extra value off the Gravekeepers, Mirage Dragon and/or Pitch Black Warwolf, and Injection Fairy Lily

Yes, you cast cards and players have a chance to respond on the stack

this card gains ATK equal to that monster's Link Rating x 1000