Prophet is affordable enough at , and youre fine with it coming down a little later in the game anyway to make sure you get that sweet ascendency ability
He's just a good boy, why would you do that
Love the Nameless Inversion combo with the Grotto too, not done that one before and now have an urge to do so
Additionally, every card your opponent plays on their own potentially adds to their graveyard count
Generic typal cards like Metallic Mimic, Radiant Destiny, and Adaptive Automaton are good for samurai
However, if a single creature with lifelink deals combat damage to multiple players or permanents at the same time (perhaps because it has trample or was blocked by more than one creature), the ability will trigger only once