You may have this creature enter as a copy of any creature on the battlefield, except it isn't legendary, is an artifact in addition to its other types, and has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Spells you control can't be countered by blue or black spells this turn, and creatures you control can't be the targets of blue or black spells this turn.

Flying, vigilance

: Prevent all damage that would be dealt to another target creature this turn by sources of the color of your choice.

: Prevent all damage that would be dealt to target player or planeswalker this turn by sources of the color of your choice.

At the beginning of your end step, if this creature is equipped, transform it.

Indestructible

Other legendary permanents you control have indestructible.

Haste

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, destroy target land.

: Exchange control of this artifact and target nonland permanent.

( can be paid with either or .)

Flying

When this creature enters, sacrifice it unless you discard two cards.

If an opponent has no cards in hand, this spell costs less to cast.

Flying

Flying (This creature can't be blocked except by creatures with flying or reach.)

When this creature enters, you gain 3 life.

Flying

Whenever this creature attacks, choose a counter on a permanent you control. Put a counter of that kind on target permanent you control if it doesn't have a counter of that kind on it.

Flying

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Flying

Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Bird Warrior with no mana cost. Embalm only as a sorcery.)

Flying

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When this creature is turned face up, target creature you control gains protection from the color of your choice until end of turn.

Flash

Flying

If an opponent would search a library, that player searches the top four cards of that library instead.

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 enters or leaves the battlefield, you gain 2 life.

Flying

Flying

Double strike (This creature deals both first-strike and regular combat damage.)

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Flying

Domain — Aven Trailblazer's toughness is equal to the number of basic land types among lands you control.

Flying

Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn.

When this creature enters, create a 0/1 green Plant creature token for each land you control.

Landfall — Whenever a land you control enters, you may put a +1/+1 counter on each Plant creature you control.

Destroy target creature that dealt damage this turn.

Double strike

Whenever this creature attacks, put a double strike counter on another target attacking creature.

Changeling (This card is every creature type.)

Flying

When this creature enters, you may return another permanent you control to its owner's hand.

: Add or . If you control a Nissa planeswalker, you gain 2 life.

Flying

: This creature gets +2/+2 until end of turn. You skip your next untap step. Activate only once each turn.

Enchant Mountain

Enchanted Mountain is a 7/7 red Giant creature with haste. It's still a land.

When this creature enters, target Forest becomes a 4/5 green Treefolk creature for as long as this creature remains on the battlefield. It's still a land.

When you unlock this door, return all creature cards from your graveyard to the battlefield.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add ."

The next time target creature would deal damage this turn, prevent that damage. You gain life equal to the damage prevented this way.

This creature enters with two oil counters on it.

, Remove an oil counter from this creature, Discard a card: Draw a card.

Menace, lifelink

Whenever a historic creature you control deals combat damage to a player, create a 1/1 black Assassin creature token with menace. (Artifacts, legendaries, and Sagas are historic.)

, Sacrifice another creature or artifact: Ayara deals X damage to target opponent or battle and you gain X life, where X is the sacrificed permanent's mana value.

: Transform Ayara. Activate only as a sorcery. ( can be paid with either or 2 life.)

White creatures have plainswalk. (They can't be blocked as long as defending player controls a Plains.)

Legendary landwalk (This creature can't be blocked as long as defending player controls a legendary land.)

Remove a ki counter from Azamuki: Gain control of target creature until end of turn.

Flying

: This creature gets +1/+0 until end of turn. Activate only once each turn.

Flying

When Azor enters, each opponent can't cast instant or sorcery spells during that player's next turn.

Whenever Azor attacks, you may pay . If you do, you gain X life and draw X cards.

When this creature enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Choose one —

• Creatures you control gain lifelink until end of turn.

• Draw a card.

• Put target attacking or blocking creature on top of its owner's library.

Flying, protection from enchantments

: Tap target creature.

: Counter target activated ability. (Mana abilities can't be targeted.)

When this creature enters, detain up to two target creatures your opponents control. (Until your next turn, those creatures can't attack or block and their activated abilities can't be activated.)

Vigilance

This creature can't be blocked.

Prevent all combat damage target creature would deal this turn.

Prevent all combat damage that would be dealt to target creature this turn.

Flying, first strike

Creatures your opponents control get -1/-0.

When this creature enters, you become the monarch.

This creature can't be blocked by creatures the monarch controls.