When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Flying, protection from black Echo {3}{W}{W} (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, return target creature card from your graveyard to the battlefield.

When this creature enters, choose one — • Scry 2. • You gain 3 life. • Exile another target creature you own. Return it to the battlefield under your control at the beginning of the next end step.

Exile target creature you control, then return that card to the battlefield under your control.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Deadeye Navigator is paired with another creature, each of those creatures has "{1}{U}: Exile this creature, then return it to the battlefield under your control."

Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

When this creature enters, you may exile another target permanent you control, then return that card to the battlefield under its owner's control.

Flying When this creature enters, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Exile each creature you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Exile target creature you control, then return it to the battlefield under its owner's control. Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

If an artifact or creature entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Flying, ward {2} {1}{W}{U}: Exile another target creature or artifact you control. Return it to the battlefield under its owner's control at the beginning of the next end step.

Flash When this creature enters, choose one — • Put a +1/+1 counter on this creature for each creature that left the battlefield under your control this turn. • You gain 2 life and scry 2. • Exile target player's graveyard.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{U}.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color that a land an opponent controls could produce.

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {U}.)

This land enters tapped. {T}: Add {W} or {U}.

({T}: Add {W}.)

You have no maximum hand size. {T}: Add {C}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {W} or {U}.

When this creature enters, gain control of target permanent. At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

Counter target spell.

This spell can't be countered. Counter target noncreature spell.

Protection from red When Lavinia enters, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

When this creature enters, return target creature to its owner's hand.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Counter target noncreature spell.

Enchant permanent Vanishing 3 (This Aura 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 Aura leaves the battlefield, enchanted permanent's controller sacrifices it.

When this creature enters, return target creature an opponent controls to its owner's hand. That creature's owner can't cast spells with the same name as that creature until your next turn.

Counter target spell. Its controller can't cast spells this turn.

This spell can't be countered. Destroy all creatures.

When this creature enters, choose one — • Create a 1/1 white Bird creature token with flying. • Return another target nonland permanent to its owner's hand. • Draw a card.

When Barrin enters, return up to one other target creature or planeswalker to its owner's hand. At the beginning of your end step, if a permanent was put into your hand from the battlefield this turn, draw a card.

When this creature enters, you gain 2 life. When this creature leaves the battlefield, draw a card.

Flying When this creature enters, you gain 2 life and draw two cards.

Flying When this creature enters, you gain 3 life and draw a card.

Flying When this creature enters, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

When this creature enters, draw a card.

When this artifact enters, create a 1/1 white Spirit creature token with flying. Whenever you create one or more creature tokens, put a story counter on this artifact. {W}, {T}, Remove a story counter from this artifact: Draw a card.

Prevent all noncombat damage that would be dealt to you and creatures you control. Whenever a nontoken creature you control enters, create a 2/2 white Unicorn creature token.

Exile any number of target creatures you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Flying When Linvala enters, if an opponent has more life than you, you gain 5 life. When Linvala enters, if an opponent controls more creatures than you, create a 3/3 white Angel creature token with flying.

When Malcator enters, create a 3/3 colorless Phyrexian Golem artifact creature token. At the beginning of your end step, if three or more artifacts entered the battlefield under your control this turn, create a 3/3 colorless Phyrexian Golem artifact creature token.

When this creature enters, create four 1/1 colorless Myr artifact creature tokens. Whenever this creature attacks, you may tap X untapped Myr you control. If you do, this creature gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

{T}: Add one mana of any color in your commander's color identity.

{1}, {T}: Add {W}{U}.

Flying When this creature enters, untap up to two lands. Cycling {2} ({2}, Discard this card: Draw a card.)

First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

Flying When this creature enters, untap up to five lands.

When this artifact enters or is put into a graveyard from the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

{T}: Add {C}{C}.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

{T}: Add {C}. {T}: Add {W} or {U}. This artifact deals 1 damage to you.