You may have this enchantment enter as a copy of any artifact or enchantment on the battlefield.

Whenever equipped creature attacks or blocks, it and Zombies you control gain deathtouch until end of turn.
Whenever equipped creature deals combat damage to a player, create that many 2/2 black Zombie creature tokens.
Equip

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

Tap another untapped creature you control: Tyvar gains indestructible until end of turn. Tap it.
: Creatures you control get +X/+X until end of turn, where X is the greatest power among creatures you control.

At the beginning of each end step, if you drew two or more cards this turn, you may put a quest counter on this enchantment.
As long as this enchantment has six or more quest counters on it, if you would draw a card, you may instead search your library for a card, put that card into your hand, then shuffle.

Flying, haste
Whenever Olivia attacks, return target creature card from your graveyard to the battlefield tapped and attacking. It gains "When you don't control a legendary Vampire, exile this creature."

Kicker (You may pay an additional as you cast this spell.)
Trample, haste
At the beginning of the end step, if this creature wasn't kicked, sacrifice it.

Return target permanent to its owner's hand. Exile Reality Strobe with three time counters on it.
Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
If you would gain life, you gain twice that much life instead.

Champion a Goblin (When this enters, sacrifice it unless you exile another Goblin you control. When this leaves the battlefield, that card returns to the battlefield.)
Whenever a Goblin you control deals combat damage to a player, you may create a 1/1 black Goblin Rogue creature token.

Enchantment spells you cast cost less to cast.
Whenever you cast an enchantment spell, you gain 1 life.

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)
If one or more tokens would be created under your control, those tokens plus that many 1/1 green Squirrel creature tokens are created instead.
, Sacrifice X Squirrels: Target creature gets +X/-X until end of turn.

For each token you control, create a token that's a copy of that permanent.

Squirrellink (Damage dealt by this creature also causes you to create that many 1/1 green Squirrel creature tokens.)
Creature tokens you control are Squirrels in addition to their other creature types.
Other Squirrels you control get +1/+1.

When this creature enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

Vigilance
, : Search your library for an Equipment card, put it onto the battlefield, attach it to a creature you control, then shuffle.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

+1: Surveil 1. If you put a noncreature, nonland card into your graveyard this way, put that card into your hand.
+1: Add . Spend this mana only to cast a noncreature spell.
−X: Tap target artifact or creature. Put X stun counters on it.
−6: You get an emblem with "Whenever you cast a spell, draw a card."

Haste (This creature can attack and as soon as it comes under your control.)