All Slivers have "{T}: Add one mana of any color."

All Sliver creatures have haste.

All Sliver creatures have provoke. (Whenever a Sliver attacks, its controller may have target creature defending player controls untap and block it if able.)

All Sliver creatures get +1/+1.

All Sliver creatures get +0/+1.

Sliver creatures you control get +1/+1.

All Sliver creatures have flanking. (Whenever a creature without flanking blocks a Sliver, the blocking creature gets -1/-1 until end of turn.)

All Sliver creatures get +1/+1.

All Sliver creatures have poisonous 1. (Whenever a Sliver deals combat damage to a player, that player gets a poison counter. A player with ten or more poison counters loses the game.)

This land enters tapped. As this land enters, choose a color other than white. {T}: Add {W} or one mana of the chosen color.

({T}: Add {G}.)

This land enters tapped. As this land enters, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.