Flying When Augury Owl enters the battlefield, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Flying When Faerie Seer enters the battlefield, scry 2.

When Maul Splicer enters the battlefield, create two 3/3 colorless Phyrexian Golem artifact creature tokens. Golem creatures you control have trample.

When Pierce Strider enters the battlefield, target opponent loses 3 life.

When Aethersnipe enters the battlefield, return target nonland permanent to its owner's hand. Evoke {1}{U}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Cleave {1}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Return target nonland permanent [you control] to its owner's hand.

Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card.

When Man-o'-War enters the battlefield, return target creature to its owner's hand.

Flying When Mist Raven enters the battlefield, return target creature to its owner's hand.

Ninjutsu {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) When Moonsnare Specialist enters the battlefield, return up to one target creature to its owner's hand.

Return target creature to its owner's hand.

{U}, {T}, Discard a card: Return target creature to its owner's hand.

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

Flying When Cloudkin Seer enters the battlefield, draw a card.

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.

When Elvish Visionary enters the battlefield, draw a card.

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

Trample Keen Senses — When Owlbear enters the battlefield, draw a card.

When Pondering Mage enters the battlefield, look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

When Sarulf's Packmate enters the battlefield, draw a card. Foretell {1}{G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

When Duskshell Crawler enters the battlefield, put a +1/+1 counter on target creature. Each creature you control with a +1/+1 counter on it has trample.

When Pollenbright Druid enters the battlefield, choose one — • Put a +1/+1 counter on target creature. • Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Vigilance When Adaptive Sporesinger enters the battlefield, choose one — • Target creature gets +2/+2 and gains vigilance until end of turn. • Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Trample When Fierce Witchstalker enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

When Frost Lynx enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Whenever another creature enters the battlefield under your control, Herd Gnarr gets +2/+2 until end of turn.

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

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

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

Exile target artifact or creature, then return it to the battlefield under its owner's control with a +1/+1 counter on it.

Exile target creature you control, then return that card to the battlefield under its owner's control. If a Pirate was exiled this way, draw a card.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

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

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

({T}: Add {G}.)

({T}: Add {U}.)

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}.

When Nurturing Bristleback enters the battlefield, create a 3/3 green Dinosaur creature token. Forestcycling {2} ({2}, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)

Devoid (This card has no color.) Flying When Eldrazi Skyspawner enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

Devoid (This card has no color.) When Eyeless Watcher enters the battlefield, create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}."

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

Vigilance, trample When Jewel Thief enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

When Kozilek's Predator enters the battlefield, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."

When Llanowar Visionary enters the battlefield, draw a card. {T}: Add {G}.

When Nest Invader enters the battlefield, create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Devoid (This card has no color.) When Scion Summoner enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." ({C} represents colorless mana.)

Whenever Undercellar Myconid enters the battlefield or dies, create a 1/1 green Saproling creature token. {T}: Add one mana of any color.

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

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Shipwreck Dowser enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

When Conclave Naturalists enters the battlefield, you may destroy target artifact or enchantment.

Keymaster Rogue can't be blocked. When Keymaster Rogue enters the battlefield, return a creature you control to its owner's hand.

Choose one or both — • Target creature gets +1/+1 until end of turn. • Return target creature to its owner's hand.

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 Caldaia Strongarm enters the battlefield, put two +1/+1 counters on target creature. Blitz {3}{G} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Return target nonland permanent to its owner's hand. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

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

When Ferocious Pup enters the battlefield, create a 2/2 green Wolf creature token.

Flying When Frost Trickster enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Flash (You may cast this spell any time you could cast an instant.) When Haze Frog enters the battlefield, prevent all combat damage that other creatures would deal this turn.

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.

Defender When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Moon-Circuit Hacker deals combat damage to a player, you may draw a card. If you do, discard a card unless Moon-Circuit Hacker entered the battlefield this turn.

Infesting Spores — When Myconid Spore Tender enters the battlefield, destroy up to one target artifact or enchantment.

Neurok Invisimancer can't be blocked. When Neurok Invisimancer enters the battlefield, target creature can't be blocked this turn.

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

Flying When Skyscanner enters the battlefield, draw a card.

You may exile a blue card from your hand rather than pay this spell's mana cost. Return target creature to its owner's hand.

Return two target creatures to their owners' hands. Wizardcycling {2} ({2}, Discard this card: Search your library for a Wizard card, reveal it, put it into your hand, then shuffle.)

Reach When Twin-Silk Spider enters the battlefield, create a 1/2 green Spider creature token with reach.

Sacrifice this creature: Add {C}.

Sacrifice this creature: Add {C}.

{2}, {T}, Sacrifice this artifact: You gain 3 life.

{T}, Sacrifice this artifact: Add one mana of any color.