Gruul Turf enters tapped.

When Gruul Turf enters, return a land you control to its owner's hand.

: Add .

Hall enters tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a permanent, Havoc Jester deals 1 damage to any target.

Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)

: Target creature with a +1/+1 counter on it gains flying until end of turn.

When you cast this spell, you gain half X life and draw half X cards. Round down each time.

Flying, trample

Hydroid Krasis enters with X +1/+1 counters on it.

Exile target creature. That creature's controller creates a 3/3 green Frog Lizard creature token.

Look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Target creature gets +2/+2 until end of turn.

Izzet Boilerworks enters tapped.

When Izzet Boilerworks enters, return a land you control to its owner's hand.

: Add .

, : Add .

Kitchen enters tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Reach

Undergrowth — When Kraul Harpooner enters, choose up to one target creature you don't control with flying. Kraul Harpooner gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard, then you may have Kraul Harpooner fight that creature.

Create two 1/1 red Goblin creature tokens.

Protection from red

When Lavinia of the Tenth 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.)

, : Tap target creature with mana value 2 or greater.

Leapfrog has flying as long as you've cast an instant or sorcery spell this turn.

Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

When Living Lightning dies, return target instant or sorcery card from your graveyard to your hand.

Lounge enters tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Flash (You may cast this spell any time you could cast an instant.)

: Masked Blackguard gets +1/+1 until end of turn.

Whenever Mastermind Plum attacks, exile up to one target card from a graveyard. If an artifact card was exiled this way, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever you cast a spell, if mana from a Treasure was spent to cast it, you draw a card and you lose 1 life.

Flying

Whenever Memory Vampire deals combat damage to a player, any number of target players each mill that many cards. Then you may collect evidence 9. When you do, you may cast target nonland card from defending player's graveyard without paying its mana cost.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Whenever you attack a player, target creature that's attacking that player gains first strike until end of turn.

Orzhov Basilica enters tapped.

When Orzhov Basilica enters, return a land you control to its owner's hand.

: Add .

: Target player gains 1 life.

: Each player loses 1 life.

, : Add .

Creatures you control get +2/+2 and gain trample until end of turn.

Flying

When Owl Familiar enters, draw a card, then discard a card.

Flying, vigilance

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Target creature you control fights another target creature. (Each deals damage equal to its power to the other.)

Enchant creature

Enchanted creature gets +3/+3, must be blocked if able, and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Bloodrush — , Discard Pyrewild Shaman: Target attacking creature gets +3/+1 until end of turn.

Whenever one or more creatures you control deal combat damage to a player, if Pyrewild Shaman is in your graveyard, you may pay . If you do, return Pyrewild Shaman to your hand.

Rakdos Guildgate enters tapped.

: Add or .

, : Add .

Flying, trample

When Rakdos, the Showstopper enters, flip a coin for each creature that isn't a Demon, Devil, or Imp. Destroy each creature whose coin comes up tails.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Return target nonland permanent with mana value X to its owner's hand.

Draw a card.

Flying

When Resonance Technician enters, you may discard a card. If you do, investigate twice.

, Tap X untapped artifacts you control: Copy target instant or sorcery spell you control with mana value X. You may choose new targets for the copy.

Menace (This creature can't be blocked except by two or more creatures.)

Flying

Whenever Roc Charger attacks, target attacking creature without flying gains flying until end of turn.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

(: Add or .)

As Sacred Foundry enters, you may pay 2 life. If you don't, it enters tapped.

: Adapt 4. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

Flash

Vigilance

When Scuttling Sentinel enters, put a +1/+1 counter on another target creature you control. Until end of turn, that creature becomes a blue Crab in addition to its other types and gains hexproof. (It can't be the target of spells or abilities your opponents control.)

Selesnya Guildgate enters tapped.

: Add or .

Selesnya Sanctuary enters tapped.

When Selesnya Sanctuary enters, return a land you control to its owner's hand.

: Add .

When Seller of Songbirds enters, create a 1/1 white Bird creature token with flying.