Predatory Sliver

Cleaving Sliver

Sliver creatures you control have deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

All Sliver creatures have menace. (They can't be blocked except by two or more creatures.)

Target creature gets +3/+3 until end of turn.

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

Changeling (This card is every creature type.)

Sliver creatures you control have first strike. (They deal combat damage before creatures without first strike.)

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {G}.

All Sliver creatures have haste.
All Slivers have "{1}, Sacrifice this permanent: Target Sliver creature gets +2/+2 until end of turn."

Magma Jet deals 2 damage to any target. Scry 2.

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

Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.

Sliver creatures you control have "Whenever this creature deals combat damage to a player, put a +1/+1 counter on it."