Unsummon [Beta Edition]Set: Beta Edition Type: Instant Rarity: Common Cost: {U} Return target creature to its owner's hand.

The power to hold versus the power to take

Set: Shadows over Innistrad Type: Enchantment Rarity: Rare Cost: {1}{G} Creatures you control have "{T}: Add one mana of any color

Set: Beta Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {B}

Set: Sun & Moon: Cosmic Eclipse Type: Grass Rarity: Ultra Rare Retreat cost: Colorless

And many of the devils We also made obedient to him

Set: POP Series 2 Type: Lightning Rarity: Common Retreat cost: Colorless

Set: Promo Finish: Cold Foil - Golden Type: Equipment Subtype: Chest Rarity: Promo Class: Generic Arcane Barrier 1 (If your hero would be dealt arcane damage

Set: Sun & Moon: Black Star Promos Type: Grass Rarity: Promo Retreat cost: Colorless

Yavimaya has its havens

Set: Black & White: Plasma Blast Type: Water Rarity: Rare Retreat cost: Colorless

Set: Diamond & Pearl: Black Star Promos Type: Water Rarity: Promo Retreat cost: Colorless

you may exile Kozilek's Return from your graveyard