Magma Dragon

Flying, Menace
As an extra cost, sacrifice a creature.
When Magma Dragon enters the battlefield all opponents' creatures with 2/2 or higher has only
half of their previous amount of Power/Toughness
The ground shook violently, volcanoes began rumbling,
then rapidly exploded into lava, smoke arose from the
wreckage that seemed to have only lasted a second, then a lizard-like creature flew up from the steaming
volcanoes, it is here.