Underdark Beholder

Eldrazi you control are Slivers in addition to their other types. Slivers you control have devoid and annihilator 1. 3: Create a 1/1 colorless Eldrazi Sliver creature token. It has "Sacrifice this creature: Add C."

When Stack of Paperwork enters, draw a card. Combat damage uses the stack. (Combat damage assignment can be responded to before damage is dealt. You know, like it used to.)

Protection from enemy-colored multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything that's two enemy colors, such as blue and green.)

Destroy target artifact.

When Bone Rattler is put into your graveyard from anywhere, exile it. When you do, create four Reassembling Skeleton token cards and put them into your graveyard.

Target creature or player gains flying until end of turn. (Players with flying can't be dealt damage by creatures without flying.)

You may cast Throat Wolf during an opponent's combat phase. Firstest strike (This creature deals combat damage to creatures before creatures with first strike.) After each opponent's first combat phase of each turn, there is an additional combat phase. Only Throat Wolf can attack during that combat phase.

Everlasting Lich can't block. Everlasting Lich can't die. (This creature has indestructible, can't be sacrificed, and doesn't go to the graveyard for having 0 toughness.)