Yathan Tombguard

Menace, lifelink

Whenever a Knight you control deals combat damage to a player, put a +1/+1 counter on that creature and create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.")

Sneak (You may cast this spell for if you also return an unblocked attacker you control to hand during the declare blockers step. He enters tapped and attacking.)

Whenever Oroku Saki deals combat damage to a player, you draw a card and lose 1 life.

Whenever this creature deals combat damage to a player, if you control an Island, you may draw a card.

Ninjutsu

This creature enters with a menace counter on it.

Whenever this creature deals combat damage to a player, you may remove a menace counter from it. When you do, that player reveals their hand and you choose a nonland card from it. Exile that card.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever this creature deals combat damage to a player, that player loses life equal to the number of creature cards in your graveyard.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever this creature deals combat damage to a player, you may draw a card.