Entei

When Entei enters the battlefield, create
five 1/1 red elemental tokens then, Entei deals
damage to any target equal the number of
creatures you control.
Red elementals you control deal double damage.
Eruption {t} Sacrifice all elementals you control.
Entei deals damage to any target equal to the
amount of elementals sacrificed. Exile Entei and
return it to play on your next upkeep.