Kerrimth, Scorchcaster

Partner with Tisharran, Dragoncaster
As long as you control a card called Tisharran, Dragoncaster, creatures you control get +3/+1.
{t}, {r}{r}: Kerrimth, Scorchcaster deals 3 damage to any target for each 5/5 blue Dragon creature token you control.
{1}{r}{r}: Create a 5/5 red Demon creature token with haste and menace.
"She is my ice. I am her fire."