Ulrich of the Krallenhorde // Ulrich, Uncontested Alpha

{3}{R}{G}Legendary Creature — Human Werewolf // Legendary Creature — Werewolf

Whenever this creature enters or transforms into Ulrich of the Krallenhorde, target creature gets +4/+4 until end of turn.

At the beginning of each upkeep, if no spells were cast last turn, transform Ulrich of the Krallenhorde.

Whenever this creature transforms into Ulrich, Uncontested Alpha, you may have it fight target non-Werewolf creature you don't control.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ulrich.

If Ulrich is no longer on the battlefield as Ulrich, Uncontested Alpha's first ability resolves, the targeted creature won't deal or be dealt damage. (2016-07-13)
You choose the target of the Ulrich, Uncontested Alpha's first ability as it goes on the stack, but you choose whether or not to fight as that ability resolves. (2016-07-13)
Ulrich, Uncontested Alpha's last ability only triggers if a single player has cast two or more spells during the previous turn. If multiple players each cast just one spell during the previous turn, the ability won't trigger. (2016-07-13)
To trigger the Werewolf's back face's transform ability, a single player must have cast two or more spells during the previous turn. If multiple players each cast just one spell during the previous turn, the ability won't trigger. (2016-07-13)
The abilities that transform a Werewolf back and forth look at the entire previous turn, even if the Werewolf with that ability wasn't on the battlefield for some or all of that turn. (2016-07-13)
If the targeted creature is an illegal target when Ulrich, Uncontested Alpha's first ability tries to resolve, the ability doesn't resolve. (2016-07-13)