: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle.: Gain control of target Sliver. (This effect lasts indefinitely.)
Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)
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.)
Changeling (This card is every creature type.): Target creature gains all creature types until end of turn.: Target creature loses all creature types until end of turn.
Whenever a creature enters, if you cast it from your hand, you may search your library for a creature card with the same total power and toughness, put it onto the battlefield, then shuffle.
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.)