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Flash
When this artifact enters, draw a card.
, , Sacrifice this artifact: You gain 3 life.

Flying
When this creature enters, you may have it fight target creature you don't control.
Whenever a creature you control fights, put two +1/+1 counters on it at the beginning of the next end step.

Target creature gets +3/+3 until end of turn.

Create two 1/1 white Vampire creature tokens with lifelink.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated.

Sacrifice a creature: This creature gets +2/+2 until end of turn.

Flying
Fire Breath — When this creature enters, it deals 4 damage to each opponent.

Enchant creature
Enchanted creature loses all abilities and is a green and white Citizen creature with base power and toughness 1/1 named Legitimate Businessperson. (It loses all other colors, card types, creature types, and names.)

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
As long as this creature is renowned, it has menace. (It can't be blocked except by two or more creatures.)

Flying
Whenever this creature deals combat damage to a player, you may draw a card. If you do, discard a card.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Flying
Cycling (, Discard this card: Draw a card.)
When you cycle this card, put a flying counter on target creature you control.

Destroy target nonblack creature.

This artifact enters with a page counter on it.
Whenever your commander enters or attacks, put a page counter on this artifact.
, , Remove a page counter from this artifact: Draw a card.

: Target creature an opponent controls with power less than or equal to The Master's power gains skulk until end of turn. Goad it. (A creature with skulk can't be blocked by creatures with greater power.)
Whenever a creature with skulk deals combat damage to one of your opponents, put a +1/+1 counter on The Master and draw a card.

Vigilance, trample
If one or more +1/+1 counters would be put on Mowu, that many plus one +1/+1 counters are put on it instead.

Up to two target creatures each get +2/+2 and gain trample until end of turn.

When this creature enters, you may search your library for up to three cards named Howling Wolf, reveal them, put them into your hand, then shuffle.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters or dies, create a 1/1 red Goblin creature token.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever this creature deals combat damage to a player, you may discard a creature card. When you do, destroy target creature or planeswalker that player controls.