Mox Emerald [Collectors' Edition]Set: Collectors' Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {G}.

Set: World Championships 2014 Type: Stadium Rarity: Promo

the Demon Thane

Set: From the Vault: Realms Type: Land Rarity: Mythic {T}: Untap target attacking creature

Set: HeartGold & SoulSilver: Black Star Promos Type: Item Rarity: Promo

If they do

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

Sliver spells you cast have cascade

A Phyrexian "sleeper agent

Set: Platinum: Rising Rivals Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

"The academy educates

Set: Base Set Unlimited Type: Lightning Rarity: Rare Retreat cost: Colorless

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