Sliver Hive [Magic 2015]Set: Magic 2015 Type: Land Rarity: Rare {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Sliver spell. {5}, {T}: Create a 1 1 colorless Sliver creature token. Activate this ability only if you control a Sliver.

Underground River deals 1 damage to you

"But it was a year of dearth

Suq'Ata market fool

(Exile it only if it's still on the battlefield

Set: Mercadian Masques Type: Enchantment Rarity: Rare Cost: {3}{B}{B} Whenever a creature dies

Set: Planechase 2012 Planes Type: Plane — Kephalai Rarity: Common When you planeswalk to Aretopolis or at the beginning of your upkeep

then add one mana of any color

that player puts the cards in their hand on the bottom of their library in any order

In addition to Mordenkainen's musings on the endless wars of the multiverse

If that mana is spent on a creature spell

These days

or the smell