If you want more info, weve got a crash-course on the multiverse in our Ob Nixilis tell-all
During each of your Standby Phases, it gets a counter
The twist here is that if said monster was a Light type, you can force both players to send cards from the extra deck to the graveyard, up to the level of the destroyed monster
Yusei finds a path that leads outside, and the group decides to escape from the mine
You then jam the deck full with lands that enter tapped, like Gruul Turf and Simic Growth Chamber so that you can use all their mana right away
I was given a chance to demo the game, but was specifically forbidden from asking too many questions of the demoer, who was very nice and taught me and three others how to play the new TCG