Ritual of Flame and Shadow

Rather than pay this spell's casting cost you may pay 2 life and {b/r}.
As an additional cost to cast this spell you may
pay 3 life. When you do, add either {b} or {r} to your mana pool.
Add {c}{c}{c} to your mana pool.
"Everything that is casts a shadow"
~ Neil Gaiman, American Gods