Whenever another creature you control enters, you gain 1 life. {4}{W}, {T}: Exile another target creature you control, then return it to the battlefield under its owner's control.

Flying Whenever a nontoken creature an opponent controls enters, create a token that's a copy of that creature except it's an artifact in addition to its other types. Then exile all other tokens created with this creature.

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.

Flash Flying When this creature enters, you may exile target non-Angel creature you control, then return that card to the battlefield under your control.

Flash Flying Whenever this creature or another Bird you control enters, exile up to one target creature you control without flying. Return it to the battlefield under its owner's control with a flying counter on it at the beginning of the next end step.

Return all attacking creatures to their owner's hand.

This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield. Destroy all nonland permanents.

As this creature enters, turn all other nontoken creatures face down. (They're 2/2 creatures.) Ixidron's power and toughness are each equal to the number of face-down creatures on the battlefield.

Destroy all nonland permanents.

Destroy all creatures with power 3 or greater. Then create a Food token for each creature you control. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

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.

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

Prototype {2}{W} — 1/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Double strike When this creature enters, draw a card.

When this artifact enters, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of this artifact. Untap it.

Whenever one or more other creatures you control leave the battlefield without dying, draw a card. {1}{U}, {T}: Return another target creature you control to its owner's hand.

When Fblthp enters, draw a card. If it entered from your library or was cast from your library, draw two cards instead. When Fblthp becomes the target of a spell, shuffle Fblthp into its owner's library.

When this creature enters, you gain 1 life and draw a card.

When this creature enters, draw a card, then scry 2.

Whenever one or more creatures you control with mana value 3 or less enter, draw a card. This ability triggers only once each turn.

Defender When this creature enters, draw a card.

Ward {2} Whenever this creature attacks while saddled, search your library for a nonland permanent card with mana value 3 or less, put it onto the battlefield, then shuffle. Saddle 4

Flying Non-Archon creatures have base power and toughness 3/3. When this creature enters, create two 1/1 white Human creature tokens.

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

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

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}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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

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

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

({T}: Add {W} or {U}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

Draw three cards. Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

This land enters tapped unless you control a Plains. {T}: Add {W}. {2}{W}{W}, {T}: Look at the top five cards of your library. You may reveal a historic card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. (Artifacts, legendaries, and Sagas are historic.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

({T}: Add {W}.)

This land enters tapped. {T}: Add {W} or {U}. {1}{W}{U}: Until end of turn, this land becomes a 2/3 white and blue Bird creature with flying. It's still a land. Whenever this land attacks, create a Map token.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {W} or {U}.

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

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

Vigilance When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card and put it onto the battlefield tapped. Then if an opponent controls more lands than you, repeat this process once. If you search your library this way, shuffle.

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

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

This artifact enters tapped. {T}: Add {W}.

{T}: Add {C}{U}. Spend this mana only to activate abilities.

This artifact enters tapped. {T}: Add {U}.

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

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

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.

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

Flying When this creature enters, exile target player's graveyard.

Counter target spell.

When this creature enters, choose one — • Cure Wounds — You gain 2 life. • Dispel Magic — Destroy target enchantment. • Gentle Repose — Exile target card from a graveyard.

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

You may discard an Island card and another card rather than pay this spell's mana cost. Counter target spell.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

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

When this creature enters, destroy target nonland permanent an opponent controls.

Dominate Monster — When this creature enters, gain control of target creature for as long as you control this creature.

Counter target noncreature spell.

When this creature enters, you become the monarch. When this creature enters, exile target creature an opponent controls until an opponent becomes the monarch.

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.

As this creature enters, you may choose a nonland permanent. Activated abilities of the chosen permanent can't be activated. This creature has all activated abilities of the chosen permanent except for loyalty abilities. You may spend mana as though it were mana of any color to activate those abilities.

Exile target creature. Its controller gains life equal to its power.

Counter target noncreature spell. Untap up to three lands.

Cleave {1}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Counter target spell [that wasn't cast from its owner's hand].