Devouring Greed
{2}{B}{B}
Sorcery -- Arcane
As an additional cost to cast ~this~, you may sacrifice any number of Spirits.
Target player loses 2 life plus 2 life for each Spirit sacrificed this way. You gain that much life.
Devouring Rage
{4}{R}
Instant -- Arcane
As an additional cost to cast ~this~, you may sacrifice any number of Spirits.
Target creature gets +3/+0 until end of turn. For each Spirit sacrificed this way, that creature gets an additional +3/+0 until end of turn.