When this creature enters, target player mills a card.

Enchant creature
This Aura enters with three net counters on it.
Enchanted creature doesn't untap during its controller's untap step if this Aura has a net counter on it.
Pay enchanted creature's mana cost: Remove a net counter from this Aura. Only the controller of the enchanted creature may activate this ability.

Counter target spell with mana value 3 or less. (Then exile this card. You may cast the creature later from exile.)

All Slivers have "When this permanent enters, you may fateseal 1."

Cumulative upkeep
, Discard a card: Draw a card.

When this creature enters, create two 0/2 blue Illusion creature tokens with "Whenever this token blocks a creature, that creature doesn't untap during its controller's next untap step."
This creature has hexproof as long as you control an Illusion.

Enchant creature
When this Aura enters, tap enchanted creature, then proliferate.
Enchanted creature doesn't untap during its controller's untap step.

Flying
When this creature dies, draw a card.

Flying
Council's dilemma — When this creature enters, starting with you, each player votes for feather or quill. Put a +1/+1 counter on this creature for each feather vote and draw a card for each quill vote. For each card drawn this way, discard a card.

When Metalhead enters, return up to one other target artifact or creature to its owner's hand.
, Sacrifice another artifact: Put a +1/+1 counter on Metalhead. He gains menace and haste until end of turn.

Improvise
Counter target spell unless its controller pays .

Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's mana value.
, Exile this enchantment: Return all instant and sorcery cards from your graveyard to your hand. Activate only if you control six or more artifacts.

Enchant creature
As this Aura enters, choose a creature.
Enchanted creature is a copy of the chosen creature.

Spree (Choose one or more additional costs.)
+ — Until end of turn, target creature becomes a white Rabbit with base power and toughness 0/1.
+ — Target player draws two cards.

Put target permanent an opponent controls on top of its owner's library. That opponent may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.

Flying
: You may put a creature card with mana value X from your hand onto the battlefield. If you do, return this creature to its owner's hand.

This creature can't be blocked as long as it's enchanted.

This creature can't be blocked.

Flying
This creature can't be blocked by blue creatures.
: Target creature becomes blue until end of turn.

: Regenerate this creature.

Flying
: This creature gets +1/-1 until end of turn.

When this creature enters, you may search your library for an instant or sorcery card with mana value 1, reveal it, put it into your hand, then shuffle.

: Add .
: Put an hour counter on this artifact.
At the beginning of each upkeep, put an hour counter on this artifact.
When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

During turns other than yours, this Vehicle is an artifact creature.
Crew 2

Enchant artifact
When this Aura enters, draw a card.
Enchanted artifact is a creature with base power and toughness 4/4 in addition to its other types.

Whenever you attack with two or more creatures, draw a card.

Replicate
Choose target permanent an opponent controls. Search that player's library for a card with the same name and put it onto the battlefield under your control. Then that player shuffles.

Defender
Your maximum hand size is increased by one.

, : Target creature with power X or less can't be blocked this turn.

Counter target spell. That spell's controller reveals their hand, then discards each card with the same name as a card spliced onto that spell.