Breakneck Rider
Creature — Human Scout Werewolf
At the beginning of each upkeep, if no spells were cast last turn, transform this creature.
Only the most skillful riders brave the Breakneck Ride through Kessig.
Neck Breaker
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Creature — WerewolfAttacking creatures you control get +1/+0 and have trample.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.
He can't outrun what he is.
Victor Adame Minguez
Shadows over Innistrad (SOI)
• #147Rulings
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.
(wotc • 2016-04-08)
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.
(wotc • 2016-04-08)
Rulings
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.
(wotc • 2016-04-08)
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.
(wotc • 2016-04-08)