Daxos the Returned [The List] Friday Night Magic 2013 sacrifice it unless {R} was

sacrifice it unless {R} was spent to cast it

Harbinger of Despair — Whenever Psychomancer or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield

Set: Visions Type: Artifact Rarity: Rare Cost: {4} {X}

Set: Planechase Anthology Planes Type: Plane — Lorwyn Rarity: Common Each creature assigns combat damage equal to its toughness rather than its power

if all nonland permanents you control are white

Daxos the Returned [The List] Friday Night Magic 2013 sacrifice it unless {R} wasSet: The List Type: Legendary Creature Zombie Soldier Rarity: Mythic Cost: {1}{W}{B} Whenever you cast an enchantment spell, you get an experience counter. {1}{W}{B}: Create a white and black Spirit enchantment creature token. It has "This creature's power and toughness are each equal to the number of experience counters you have."