MTG Yuriko, the Tiger's Shadow Deckby CovertGoBlue

Commander ninjutsu {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.) Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.

This creature can't be blocked.

Flying {U}, Sacrifice this creature: Counter target spell or ability that targets you or a creature you control.

Flying When this creature enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {2}{B}, Exile this card from your graveyard: You draw a card and you lose 1 life.

Emerge {5}{B}{B} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, target opponent reveals their hand. You choose from it a nonland card with mana value 3 or less and a card with mana value 4 or greater. That player discards those cards.

Draw three cards, then put two cards from your hand on top of your library in any order.

Draw three cards. Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

({T}: Add {U} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.