Howling Moon 391 (Innistrad: Crimson Vow)

At the beginning of combat on your turn, target Wolf or Werewolf you control gets +2/+2 until end of turn. Whenever an opponent casts their second spell each turn, create a 2/2 green Wolf creature token.

NM - $3.10
LP - $2.50
MP - $1.90
HP - $1.50
DMG - $1.50