Lancer Sliver

Sliver creatures you control have first strike.

First Sliver's Chosen

Sliver creatures you control have exalted. (Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.)

Enduring Sliver

Outlast {2} ({2}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Other Sliver creatures you control have outlast {2}.

Plains

Impostor of the Sixth Pride

Changeling (This card is every creature type.)

Nether Spirit

At the beginning of your upkeep, if Nether Spirit is the only creature card in your graveyard, you may return Nether Spirit to the battlefield.

Eyekite

Flying
Eyekite gets +2/+0 as long as you've drawn two or more cards this turn.

Cloudshredder Sliver

Sliver creatures you control have flying and haste.

Headless Specter

Flying
Hellbent — Whenever Headless Specter deals combat damage to a player, if you have no cards in hand, that player discards a card at random.

Spore Frog

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

Mountain

Swamp

Universal Automaton

Scuttling Sliver

Sliver creatures you control have "{2}: Untap this creature."

Cleaving Sliver

Llanowar Tribe

Hollowhead Sliver

Sliver creatures you control have "{T}, Discard a card: Draw a card."

Island

Spiteful Sliver

Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."