Narcomoeba

Flying
When this card is put into your graveyard from your library, you may put it onto the battlefield.

Zombie

Archmage

Veyran, Voice of Duality

Magecraft — Whenever you cast or copy an instant or sorcery spell, Veyran gets +1/+1 until end of turn.
If you casting or copying an instant or sorcery spell causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Hazy Homunculus

This creature can't be blocked as long as defending player controls an untapped land.

Sylvan Awakening

Until your next turn, all lands you control become 2/2 Elemental creatures with reach, indestructible, and haste. They're still lands.

Walking Dream

This creature can't be blocked.
This creature doesn't untap during your untap step if an opponent controls two or more creatures.

Gisa, Glorious Resurrector

If a creature an opponent controls would die, exile it instead.
At the beginning of your upkeep, put all creature cards exiled with Gisa onto the battlefield under your control. They gain decayed. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Chronozoa

Flying
Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When this creature dies, if it had no time counters on it, create two tokens that are copies of it.

Groundbreaker

Trample, haste
At the beginning of the end step, sacrifice this creature.

Mikaeus, the Unhallowed

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever a Human deals damage to you, destroy it.
Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Desperation Attack

Rise of the Dark Realms

Put all creature cards from all graveyards onto the battlefield under your control.

Riku of Two Reflections

Whenever you cast an instant or sorcery spell, you may pay {U}{R}. If you do, copy that spell. You may choose new targets for the copy.
Whenever another nontoken creature you control enters, you may pay {G}{U}. If you do, create a token that's a copy of that creature.

Dryad Arbor

(This land isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

Veiling Oddity

Suspend 4—{1}{U} (Rather than cast this card from your hand, you may pay {1}{U} and exile it with four 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. It has haste.)
When the last time counter is removed from this card while it's exiled, creatures can't be blocked this turn.

Wizard

Whenever you cast a noncreature spell, this token deals 1 damage to each opponent.

Lord of the Unreal

Illusion creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Crackle with Power

Crackle with Power deals five times X damage to each of up to X targets.

Kira, Great Glass-Spinner

Flying
Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."

Multani, Yavimaya's Avatar

Reach, trample
Multani gets +1/+1 for each land you control and each land card in your graveyard.
{1}{G}, Return two lands you control to their owner's hand: Return this card from your graveyard to your hand.

Splendid Reclamation

Return all land cards from your graveyard to the battlefield tapped.

Phantom Warrior

{T}: Add {R}. Spend this mana only to cast a planeswalker spell.

Phantom Ninja

Goblin Wizard

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Mistform Ultimus

Mistform Ultimus is every creature type (even if this card isn't on the battlefield).

Illusion

When this creature becomes the target of a spell, sacrifice it.

Phantasmal Dreadmaw

Trample
When this creature becomes the target of a spell or ability, sacrifice it.