Solar Heat Haze

You can't cast this spell unless you control a
creature with Sun Breathing.
Tap target untapped creature you control with
Sun Breathing, That creature deals 6 damage
to any target.
"There are monsters in this world. Monsters
with no souls. Monsters who take life without
hesitation, remorse, or regret. Their aggression
is something I can't forgive!" -Tanjiro Kamado