When there is an unblocked creature (hereinafter referred to as a seed creature), you can use the ability called (Upper) Ninjutsu to swap it with that creature and enter the battlefield attacking
Same goes for opposing sacrifice effects
Drawing cards is the most versatile mechanic to any strategy
And while Magic has featured other video game crossovers in the past (hello, Assassins Creed and Fallout !), with the way this set is constructed, from card mechanics to art, you can tell this one is a developer favorite, sure to appeal to the massive chunk of people who love both games
Readers who play older formats like Modern and who enjoy Cube drafting should be familiar with most of these Invitational cards
Tutoring for combo pieces is often a good measuring stick of whether someone likes combos or not and worth asking about in pre and post-game discussions