Normally, a player's turn begins with the untap step, then the upkeep, then the draw step before proceeding to the first main phase
War Rock Generations X TRAP During the Battle Phase, if your opponent controls more monsters than you do: Special Summon 1 "War Rock" monster from your Deck, and if you activated this card during your opponent's turn, for the rest of this turn while you control the face-up Special Summoned monster, your opponent's monsters cannot attack, except to attack that monster
Releasing these cards is another way for Magics designers to just create a bunch of weird card designs and put them out into the world to see how the public reacts
Considering that time is something that could have had so many different applications, this one was lackluster
Not the biggest trade, but if he's taken a few folks out with him, he's got you closer to or further into the lead, doing more than some other cards would in just a couple of rounds