Second City

: Add .

: Add one mana of any color. Spend this mana only to cast a Sliver spell.

, : Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver.

: Add .

: Add one mana of any color. Spend this mana only to cast an Ally spell or activate an ability of an Ally source.

, : Create a 1/1 white Ally creature token.

: Add .

: Add one mana of any color. Spend this mana only to cast a creature spell.

, : Create a 1/1 colorless Shapeshifter creature token with changeling. (It's every creature type.)

: Add .

: Add one mana of any color. Spend this mana only to cast Omen spells.

, : Add one mana of any color.

: Add . ( represents colorless mana.)

, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.

: Add .

: Add one mana of any color. Spend this mana only to cast a spell that shares a watermark with this land.