Because I Have Willed It (Schemes) [Archenemy: Nicol Bolas Schemes] Squirrel Beast Set: HeartGold & SoulSilver: Call

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

Set: Mystery Booster Type: Creature — Efreet Rarity: Rare Cost: {2}{U} Flying

Set: Dragons of Tarkir Type: Creature — Salamander Rarity: Uncommon Cost: {U} Gudul Lurker can't be blocked

In the late stages of a Tyranid invasion

Set: Diamond & Pearl: Secret Wonders Type: Fighting Rarity: Common Retreat cost: Colorless

Because I Have Willed It (Schemes) [Archenemy: Nicol Bolas Schemes] Squirrel Beast Set: HeartGold & SoulSilver: CallSet: Archenemy: Nicol Bolas Schemes Type: Ongoing Scheme Rarity: Common (An ongoing scheme remains face up until it's abandoned.) Spells you cast cost {1} less to cast. At the beginning of your opponents' end step, if they cast four or more spells this turn, abandon this scheme.