Treasure Hunt

Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.

Seismic Assault

Discard a land card: Seismic Assault deals 2 damage to any target.

The First Sliver

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.

Furnace of Rath

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.