Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

When Aether Adept enters the battlefield, return target creature to its owner's hand.

When Agent of Treachery enters the battlefield, 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.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Landfall -- Whenever a land enters the battlefield under your control, Baloth Woodcrasher gets +4/+4 and gains trample until end of turn.

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

When Coiling Oracle enters the battlefield, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

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

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. 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."

Vanishing 3 (This creature enters the battlefield 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 Deep Forest Hermit enters the battlefield, create four 1/1 green Squirrel creature tokens.

Squirrels you control get +1/+1.

Search your library for a card, put that card into your hand, then shuffle.

Dimir Aqueduct enters the battlefield tapped.

When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.

{T}: Add {U}{B}.

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

{T}: Add {U} or {B}.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

When Dream Stalker enters the battlefield, return a permanent you control to its owner's hand.

Vigilance, trample, haste

When End-Raze Forerunners enters the battlefield, other creatures you control get +2/+2 and gain vigilance and trample until end of turn.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

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

When Farhaven Elf enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Fertilid enters the battlefield with two +1/+1 counters on it.

{1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Foul Orchard enters the battlefield tapped.

{T}: Add {B} or {G}.

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

When Golgari Findbroker enters the battlefield, return target permanent card from your graveyard to your hand.

Golgari Guildgate enters the battlefield tapped.

{T}: Add {B} or {G}.

Golgari Rot Farm enters the battlefield tapped.

When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand.

{T}: Add {B}{G}.

Deathtouch

When Gonti, Lord of Luxury enters the battlefield, look at the top four cards of target opponent's library, exile one of them face down, then put the rest on the bottom of that library in a random order. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast it.

Whenever a nontoken creature enters the battlefield under your control, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

Flying

When Icefall Regent enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Icefall Regent.

Spells your opponents cast that target Icefall Regent cost {2} more to cast.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Draw a card.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

{T}: Add {B} or {G}.

Landfall -- Whenever a land enters the battlefield under your control, add one mana of any color.

When Manglehorn enters the battlefield, you may destroy target artifact.

Artifacts your opponents control enter the battlefield tapped.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

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

As an additional cost to cast this spell, sacrifice a creature.

Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield with an additional +1/+1 counter on it, then shuffle.

Flash

When Omen of the Hunt enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{2}{G}, Sacrifice Omen of the Hunt: Scry 2.

Flash

When Omen of the Sea enters the battlefield, scry 2, then draw a card.

{2}{U}, Sacrifice Omen of the Sea: Scry 2.

Search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle.

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

Flying

When Peregrine Drake enters the battlefield, untap up to five lands.

When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.

Destroy target artifact or creature. It can't be regenerated.

Trample

Landfall -- Whenever a land enters the battlefield under your control, you may create a 4/4 green Beast creature token.

When Ravenous Chupacabra enters the battlefield, destroy target creature an opponent controls.

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Landfall -- Whenever a land enters the battlefield under your control, choose one --

• You may tap or untap target creature.

• Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Flying

When Riftwing Cloudskate enters the battlefield, return target permanent to its owner's hand.

Suspend 3--{1}{U} (Rather than cast this card from your hand, you may pay {1}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Whenever Risen Reef or another Elemental enters the battlefield under your control, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Search your library for up to two creature cards with different names, reveal them, put them into your hand, then shuffle.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.

Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Simic Growth Chamber enters the battlefield tapped.

When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand.

{T}: Add {G}{U}.

Simic Guildgate enters the battlefield tapped.

{T}: Add {G} or {U}.

When Springbloom Druid enters the battlefield, you may sacrifice a land. If you do, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life and draw a card.

Temple of Deceit enters the battlefield tapped.

When Temple of Deceit enters the battlefield, scry 1.

{T}: Add {U} or {B}.

Temple of Malady enters the battlefield tapped.

When Temple of Malady enters the battlefield, scry 1.

{T}: Add {B} or {G}.

Temple of Mystery enters the battlefield tapped.

When Temple of Mystery enters the battlefield, scry 1.

{T}: Add {G} or {U}.

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

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature.

At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.

{3}{U}: Tap another target creature.

Thornwood Falls enters the battlefield tapped.

When Thornwood Falls enters the battlefield, you gain 1 life.

{T}: Add {G} or {U}.

Return target creature card with mana value 3 or less from your graveyard to the battlefield.

Cycling {2} ({2}, Discard this card: Draw a card.)

When Uro enters the battlefield, sacrifice it unless it escaped.

Whenever Uro enters the battlefield or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.

Escape--{G}{G}{U}{U}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Landfall -- Whenever a land enters the battlefield under your control, put a +1/+1 counter on Vinelasher Kudzu.

When Voice of Many enters the battlefield, draw a card for each opponent who controls fewer creatures than you.

Defender

When Wall of Blossoms enters the battlefield, draw a card.

When Wild Wanderer enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

When Wood Elves enters the battlefield, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Woodland Stream enters the battlefield tapped.

{T}: Add {G} or {U}.

Deathtouch, lifelink

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

When Yavimaya Dryad enters the battlefield, you may search your library for a Forest card, put it onto the battlefield tapped under target player's control, then shuffle.