Whenever High Perfect Morcant or another Elf you control enters, each opponent blights 1. (They each put a -1/-1 counter on a creature they control.)
Tap three untapped Elves you control: Proliferate. Activate only as a sorcery. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Double strike, vigilance
Spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)

As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.

Creatures entering don't cause abilities to trigger.

Attacking creatures you control have double strike.

Magecraft — Whenever you cast or copy an instant or sorcery spell, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is that spell's mana value.
: Target creature token can't be blocked this turn.

Partner with Frodo, Adventurous Hobbit (When this creature enters, target player may put Frodo into their hand from their library, then shuffle.)
At the beginning of combat on your turn, create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")
Activated abilities of Foods you control cost less to activate.

When Staff of Eden enters, put target legendary permanent card not named Staff of Eden, Vault's Key from a graveyard onto the battlefield under your control.
: Draw a card for each permanent you control but don't own.

Flash
Flying
When this creature enters, counter target spell with mana value X or less, where X is the number of Faeries you control.

Other Vampire creatures you control get +1/+1.
Tap five untapped Vampires you control: Gain control of target creature. It becomes a Vampire in addition to its other types.

Devoid (This card has no color.)
Flying
When this creature enters, exile all cards from your library face down, then shuffle all cards from your graveyard into your library.

Destroy all creatures. They can't be regenerated.

(: Add .)

: This enchantment deals 1 damage to any target. Flip a coin. If you lose the flip, choose one of your opponents. That player gains control of this enchantment.

, , Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Protection from white
: This creature gains flying until end of turn.
: This creature gets +1/+0 until end of turn.

Haste
Whenever a creature you control attacks, this creature deals 1 damage to the player or planeswalker it's attacking.

If a source would deal damage to another Dinosaur you control, prevent all but 1 of that damage.

As this enchantment enters, choose a creature type.
Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

Amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
You and permanents you control gain hexproof until end of turn. (You and they can't be the targets of spells or abilities your opponents control.)