Yatsuma, Ronin Redeemed

Samurai and Ninja you control gain +X/+X
where X is the number of lands you control.
Target opponents creatures get -X/-X where
X is the number of cards in your graveyard.
{3}{t} as an addition cost, you lose 3 life:
Return target permanent to controllers
library, fifth from the top. (Attachments and
enchantment are destroyed)