Sliver creatures you control have "When this creature enters, you may exile target creature an opponent controls until this creature leaves the battlefield."
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.)
Each Sliver card in each player's hand has slivercycling . Slivercycling (, Discard this card: Search your library for a Sliver card, reveal it, put it into your hand, then shuffle.)
All Sliver creatures have flying. All Slivers have "If this permanent would be put into a graveyard, you may put it on top of its owner's library instead."
When this land enters, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.
Whenever a creature deals combat damage to you, that creature's controller gains control of this land. : Add . , : Attacking creatures get +1/+0 until end of turn.