Skithiryx, the Blight Dragon [The List] XY102 Set: Sun & Moon: Guardians

Set: Sun & Moon: Guardians Rising Type: Fire Rarity: Secret Rare Retreat cost: Colorless

where X is the number of creatures you control

Set: EX: FireRed & LeafGreen Type: Water Rarity: Promo Retreat cost: Colorless

the vows have been written

Set: Legends Type: Instant Rarity: Uncommon Cost: {U}{U} Cast this spell only during an opponent's turn after their upkeep step

Skithiryx, the Blight Dragon [The List] XY102 Set: Sun & Moon: GuardiansSet: 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.