Oh, and it puts any land onto the battlefield
This is one of the biggest transitions for Pokmon TCG meta in recent years, but its way overdue
This allowed players like Orange an opportunity to try and break the Legacy metagame with cards that would essentially only be available for one week (the length of the Secret Lair preorder window)
Synchro summoning requires making sure the cards you are sacrificing for the summon match the level rating of the desired card (to summon a level 8 Synchro monster you would need to tribute two cards whose levels equal 8, for example), and one is labelled as a tuner card
Its GX attack, which can only be used once per game, can deal 200 damage, but at a cost of one extra Energy (on top of its two Fighting, one Colorless cost) it can prevent being Knocked Out on its next turn and remain in play with 10 HP
=P How about Skittering Crustacean