Whenever you gain life, this creature gains flying until end of turn.

Wither (This deals damage to creatures in the form of -1/-1 counters.)
: Regenerate this creature.

Once during each of your turns, you may cast an artifact creature spell from your graveyard. If you cast a spell this way, that artifact creature enters with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)

Reach
: Add or .
Whenever you cast a spell with mana value 4 or greater, untap this creature.

Choose up to two target creature cards in your graveyard. An opponent chooses one of them. Return that card to your hand. Return the other to the battlefield under your control. It gains haste. Exile it at the beginning of the next end step.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flash
When this artifact enters, it deals 5 damage to target tapped creature an opponent controls.
Craft with artifact (, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

: This creature gets +1/-1 until end of turn.
: Switch this creature's power and toughness until end of turn.

: Add .
, , Sacrifice this artifact: Draw two cards.

Whenever one or more tokens you control enter, put that many +1/+1 counters on this creature.

Destroy target attacking creature.

Target creature gets +1/+2 and gains deathtouch until end of turn. Create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")

Vigilance
When this creature enters, you may sacrifice a token. When you do, exile target creature an opponent controls until this creature leaves the battlefield.

Create a 3/3 green Beast creature token.
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

: This creature deals 2 damage to target attacking or blocking creature.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token gains haste until end of turn and attacks this combat if able.

(: Add .)

When this creature enters, target creature gets +2/+0 until end of turn.

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
At the beginning of combat on your turn, another target creature you control gains melee until end of turn. (If a creature has multiple instances of melee, each triggers separately.)

Whenever you cast a Spirit or Arcane spell, this creature deals 2 damage to each creature without flying.

: Add one mana of any color.