Rulings

• 2018-07-13
  The number of nontoken creatures you control is counted only as Lena's first ability resolves. If Lena is still on the battlefield (and not somehow a token), it will count itself.
• 2018-07-13
  To determine which creatures gain indestructible while resolving Lena's last ability, use Lena's power as it last existed on the battlefield.
• 2018-07-13
  Lena's last ability affects only creatures you control with the appropriate power at the time it resolves. Creatures you begin to control later in the turn won't gain indestructible, and a creature you control whose power increases later in the turn won't lose indestructible.
• 2018-07-13
  The number of nontoken creatures you control is counted only as Lena’s first ability resolves. If Lena is still on the battlefield (and not somehow a token), it will count itself.
• 2018-07-13
  To determine which creatures gain indestructible while resolving Lena’s last ability, use Lena’s power as it last existed on the battlefield.
• 2018-07-13
  Lena’s last ability affects only creatures you control with the appropriate power at the time it resolves. Creatures you begin to control later in the turn won’t gain indestructible, and a creature you control whose power increases later in the turn won’t lose indestructible.