whenever you gain life cards mtg Cards that trigger on life gain/use life as a resource. : r/EDH

Yuriko is nearly unkillable as she can be brought back to hand with nunjutsu, and commander tax doesn't apply as she is not cast from your hand, so she can be repeatedly brought back onto the battlefield for 2 mana

There are several cards in here that will make your ninjas unblockable

When Topography Tracker enters the battlefield, create a Map token

Official MTG details and rulings for Charging Rhino, Creature Rhino from BBD (192) (English)

COLLECT SPECIAL TREATMENT CARDS Each deck also comes with a 2-card Collector Booster Sample Pack containing 2 alt-border cards from the Outlaws of Thunder Junction set, including 1 Rare or Mythic Rare and at least 1 Traditional Foil card