Oroshi Kirin

Haste, First Strike
Enrage—When damage is dealt to Oroshi Kirin,
it gets +2/+4 until your next turn's End Phase.
(This effect cannot be stacked)
" Reliable sightings of these elusive creatures are
virtually nonexistent. The few reports available claim
that temperatures plummet whenever they appear,
as all moisture in the air spontaneously freezes"