Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.
Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays .
At the beginning of your end step, if you didn't activate a loyalty ability of a planeswalker this turn, you lose 2 life., : For each planeswalker you control, you may activate one of its loyalty abilities once this turn as though none of its loyalty abilities have been activated this turn.
Flying, trampleWhenever an opponent searches their library, that player sacrifices a creature of their choice and loses 10 life.Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.
+1: Destroy another target planeswalker.+1: Create a 3/3 black Beast creature token with deathtouch.−3: Destroy target creature. You gain life equal to its toughness.−8: Target opponent gets an emblem with "Whenever a creature attacks you, it gets +5/+5 and gains trample until end of turn."
Defender (This creature can't attack.)Whenever Hornet Nest is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)
+1: Target player discards a card.−2: Search your library for a card, then shuffle and put that card on top.−8: Put all creature cards from all graveyards onto the battlefield under your control.
Sliver creatures you control have "When this creature enters, you may exile target creature an opponent controls until this creature leaves the battlefield."
+1: Target land you control becomes a 4/4 Elemental creature with trample. It's still a land.+1: Untap up to four target Forests.−7: Search your library for any number of basic land cards, put them onto the battlefield, then shuffle. Those lands become 4/4 Elemental creatures with trample. They're still lands.
Flash (You may cast this spell any time you could cast an instant.)FlyingWhen Quickling enters, sacrifice it unless you return another creature you control to its owner's hand.
, , Put a verse counter on Yisan, the Wanderer Bard: Search your library for a creature card with mana value equal to the number of verse counters on Yisan, put it onto the battlefield, then shuffle.