Skithiryx, the Blight Dragon [The List] DP42 It operates on necessity

It operates on necessity

Set: Secret Lair Drop Series Type: Legendary Creature — Elf Shaman Rarity: Rare Cost: {2}{B}{G} Whenever you sacrifice a black creature

They are also known for their hymns to the dead

Its light is His revelation

Set: Sun & Moon: Ultra Prism Type: Supporter Rarity: Ultra Rare

Skithiryx, the Blight Dragon [The List] DP42 It operates on necessitySet: The List Type: Legendary Creature Phyrexian Dragon Skeleton Rarity: Mythic Cost: {3}{B}{B} Flying Infect (This creature deals damage to creatures in the form of 1 1 counters and to players in the form of poison counters.) {B}: Skithiryx, the Blight Dragon gains haste until end of turn. {B}{B}: Regenerate Skithiryx.