yugioh cards cannot be tributed If i already normal summoned can i activate this card to tribute summon?? Can I tribute unaffected monsters

This colossus shortcuts the Crew costs of all your other vehicles, whichI mean, thats supposed to be the main drawback of the entire vehicle card type

No: we care about her being Green

These events are also usually pretty casual, so they can be a good place for onboarding new players, or for anyone who has only played Lorcana with their friends to branch out and try playing with their local community

The reveal of a Giants theme isnt quite the same surprise, as Giants have seen more significant support in recent years compared to Dwarves being brought back from the dead, but its sure to increase demand for past Giants and drive up prices, so there may be some opportunities