Malfurion, Awoken

Trample, Soulbond, Ward 2

As long as Malfurion is paired with another creature, each has "when this creature attacks elves you control gain +2/+2 and protection from Demons."

If Malfurion is paired with a Tyrande creature, each has "sacrifice this creature, target creature gains indestructible and hexproof until end of turn.""