Shukaku, Kami of Pain

First strike, menace, haste
Shukaku gets +1/+0 for each player and/or
creature that has been dealt damage this turn.
Channel - {1}{b}{b}{r}{r}, Discard this card: Until
end of turn, if a source you control would deal
damage, it deals double that damage instead.
Then this card deals 1 damage to each creature
and each player.