Metallic Sliver

Rocky Tar Pit

Rocky Tar Pit enters tapped.
{T}, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Unsummon

Return target creature to its owner's hand.

Bad River

Bad River enters tapped.
{T}, Sacrifice Bad River: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Mnemonic Sliver

All Slivers have "{2}, Sacrifice this permanent: Draw a card."

Boomerang

Return target permanent to its owner's hand.

Mana Leak

Counter target spell unless its controller pays {3}.

Bamboozle

Target player reveals the top four cards of their library. You choose two of those cards and put them into that player's graveyard. Put the rest on top of their library in any order.

Island

Mind Rot

Clot Sliver

All Slivers have "{2}: Regenerate this permanent."

Winged Sliver

Mountain

Force Spike

Counter target spell unless its controller pays {1}.

Mindwhip Sliver

All Slivers have "{2}, Sacrifice this permanent: Target player discards a card at random. Activate only as a sorcery."