Mouth-watering Herd

Dragon and Werewolf spells you
cast cost {1} less to cast.
All Werewolves get +1/+1.
At the beginning of combat, if you control two
or more Dragons, sacrifice Mouth-watering Herd,
then return it to the battlefield transformed
under its owner's control.
"Even the idiot of the pack knows how to
bite the white things."