Eldrazi you control are Slivers in addition to their other types.
Slivers you control have devoid and annihilator 1.
: Create a 1/1 colorless Eldrazi Sliver creature token. It has "Sacrifice this creature: Add ."

Swampwalk
When this creature enters, exile target green or white creature an opponent controls.
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Flash
Whenever you cast another spell that has flash, you draw a card and each opponent loses 1 life.

When this creature leaves the battlefield, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.
Evoke

Defender
: This creature gets +1/+1 until end of turn.
Hellbent — This creature can attack as though it didn't have defender as long as you have no cards in hand.

When this creature enters, create a Mutagen token.

: Add .

This creature can't be blocked.

Whenever this creature becomes blocked, draw a card.
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Trample
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Haste
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.
: Regenerate this creature.

Flying
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

: Return this creature to its owner's hand.

This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.
Morph

This creature can't attack unless defending player controls an Island.
Cycling

Ascend
As long as you have the city's blessing, this creature has hexproof and can't be blocked.

This land enters tapped.
: Add .
Cycling

Flash
Hexproof
When this creature enters, put a hexproof counter on target creature. Then move any number of counters from among creatures you control onto that creature.

Devoid
Target creature can't be blocked this turn.
Draw a card.

Put a +1/+1 counter on target creature. It phases out.

Exile target creature you own, then return it to the battlefield under your control. The Ring tempts you.

Beast spells you cast cost less to cast.
Each other Beast creature you control enters with an additional +1/+1 counter on it.
Whenever Slinza or another creature with power 4 or greater enters, you may pay . When you do, Slinza fights target creature you don't control.

Kicker
When Slinn Voda enters, if it was kicked, return all creatures to their owners' hands except for Merfolk, Krakens, Leviathans, Octopuses, and Serpents.

Flying
, Sacrifice this creature: Draw a card.