Manaweft Sliver

Sliver creatures you control have "{T}: Add one mana of any color."

Syphon Sliver

Sliver creatures you control have lifelink. (Damage dealt by a Sliver creature you control also causes you to gain that much life.)

All Sliver creatures get +1/+1 for each other Sliver on the battlefield.

All Slivers have "{T}: Add one mana of any color."

All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."

Sliver creatures you control have flying.

All Slivers have "When this permanent enters, destroy target artifact or enchantment."