SliverHow it works & interactions with other cards

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

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

Sliver creatures you control have flying and haste.

Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.)

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

Sliver creatures you control have flying.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) Sliver spells you cast have cascade.

Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.

All Slivers have shroud. (They can't be the targets of spells or abilities.)

Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)

Slivers can't be blocked except by Slivers.

Sliver creatures you control have vigilance. (Attacking doesn't cause them to tap.)