Skithiryx, the Blight Dragon [The List] Dragons of Tarkir Promos you may banish an attack

you may banish an attack action card from your hand with cost less than the number of Draconic chain links you control

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Commander Type: Creature — Sliver Rarity: Uncommon Cost: {1}{W}{B} All Slivers have "{3}

Set: Chronicles Type: Land Rarity: Rare Whenever City of Brass becomes tapped

Set: HeartGold & SoulSilver: Call of Legends Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

Skithiryx, the Blight Dragon [The List] Dragons of Tarkir Promos you may banish an attackSet: 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.