Whenever a Warrior attacks, you may have its controller create a 1/1 white Warrior creature token that's tapped and attacking.

: Untap all attacking creatures. They gain trample, lifelink, and haste until end of turn. After this phase, there is an additional combat phase. Activate only during combat.

Flying, first strike, trample, lifelink, haste

At the beginning of combat on your turn, other Spiders you control gain flying, first strike, trample, lifelink, and haste until end of turn.

Sliver cards in your hand have warp .

Sliver creatures you control have "When this creature enters, conjure a random card from the Slivers Spellbook into the top ten cards of your library at random, then draw a card."

Warp