Elric Nightshade

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield.
They remain paired for as long as you control both of
them.)
As long as Elric Nightshade is paired with
another creature, both creatures have deathtouch.
If Elric Nightshade is paired with Elise
Daybloom, both creatures also have undying.
Partner