All Slivers have "When this permanent enters, you may fateseal 1." (To fateseal 1, its controller looks at the top card of an opponent's library, then they may put that card on the bottom of that library.)
Flying: Scourge of Kher Ridges deals 2 damage to each creature without flying.: Scourge of Kher Ridges deals 6 damage to each other creature with flying.
Shadow (This creature can block or be blocked by only creatures with shadow.)Forecast — , Reveal Spirit en-Dal from your hand: Target creature gains shadow until end of turn. (Activate only during your upkeep and only once each turn.)
Creatures your opponents control get -1/-1 until end of turn. Exile Festering March with three time counters on it.Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Whenever another creature enters, exile Saltskitter. Return Saltskitter to the battlefield under its owner's control at the beginning of the next end step.
Thunderblade Charge deals 3 damage to any target.Whenever one or more creatures you control deal combat damage to a player, if Thunderblade Charge is in your graveyard, you may pay . If you do, you may cast it without paying its mana cost.