Zwei Rose-Xiao Long

If Zwei and Oobleck are on the battlefield at the same time; Zwei gains +8/+7 and trample.
If Zwei, Ruby and Yang are on the battlefield at the same time, Ruby and Yang gain +3/+3 and lifelink.
If Zwei and Weiss are on the battlefield at the same time, Weiss gains +0/+5.
If Zwei and Blake are on the battlefield at the same time, they both gain +2/+2 and double strike.
Zwei!!