As an additional cost to cast this spell, discard X cards.

Look at target opponent's hand and choose X cards from it. That player discards those cards.

Devoid (This card has no color.)

Exile target nonland permanent. You may cast that card for as long as it remains exiled, and you may spend colorless mana as though it were mana of any color to cast that spell.

At the beginning of combat on your turn, if you control a Basri planeswalker, put a +1/+1 counter on Adherent of Hope.

Trample

When Aetherstream Leopard enters, you get (an energy counter).

Whenever Aetherstream Leopard attacks, you may pay . If you do, it gets +2/+0 until end of turn.

Haste (This creature can attack and as soon as it comes under your control.)

You may exert Ahn-Crop Crasher as it attacks. When you do, target creature can't block this turn. (An exerted creature won't untap during your next untap step.)

Flying

Revolt — When Airdrop Aeronauts enters, if a permanent you controlled left the battlefield this turn, you gain 5 life.

Whenever Akroan Hoplite attacks, it gets +X/+0 until end of turn, where X is the number of attacking creatures you control.

When Ambassador Blorpityblorpboop enters, you get , then you may put a sticker on a nonland permanent you own.

At the beginning of each combat, you may have Ambassador Blorpityblorpboop's base power become equal to the total power of all stickers on permanents you control and its base toughness become equal to those stickers' total toughness.

Tap five untapped Clerics you control: You gain 10 life.

Whenever you cast a spell that's one or more colors, you may gain 1 life for each of that spell's colors. Do this only once each turn.

: Add one mana of any color.

Anthroplasm enters with two +1/+1 counters on it.

, : Remove all +1/+1 counters from Anthroplasm and put X +1/+1 counters on it.

Flying

At the beginning of your end step, you may exile an enchantment card from your graveyard. If you do, create a 2/2 black Zombie creature token.

Flying

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

+1: Until your next turn, you may cast creature spells as though they had flash, and each creature you control enters with an additional +1/+1 counter on it.

−3: Create two 2/2 green Wolf creature tokens.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Flying, vigilance, indestructible

Other permanents you control have indestructible.

Flying

When Aven of Enduring Hope enters, you gain 3 life.

Heroic — Whenever you cast a spell that targets Battlewise Hoplite, put a +1/+1 counter on Battlewise Hoplite, then scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

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

Whenever Biblioplex Kraken attacks, you may return another creature you control to its owner's hand. If you do, Biblioplex Kraken can't be blocked this turn.

Whenever Bioplasm attacks, exile the top card of your library. If it's a creature card, Bioplasm gets +X/+Y until end of turn, where X is the exiled creature card's power and Y is its toughness.

Vigilance

Whenever Bishop of Rebirth attacks, you may return target creature card with mana value 3 or less from your graveyard to the battlefield.

Whenever an Angel you control enters, you gain 4 life.

Whenever an Angel you control dies, create a 1/1 white Spirit creature token with flying.

: Regenerate target Treefolk.

Lifelink, protection from white and from black

As long as you have 30 or more life and an opponent has 10 or less life, Blood Baron of Vizkopa gets +6/+6 and has flying.

Heroic — Whenever you cast a spell that targets Bloodcrazed Hoplite, put a +1/+1 counter on it.

Whenever a +1/+1 counter is put on Bloodcrazed Hoplite, remove a +1/+1 counter from target creature an opponent controls.

, Sacrifice a creature: Bloodshot Cyclops deals damage equal to the sacrificed creature's power to any target.

Whenever Boromir, Gondor's Hope enters or attacks, look at the top six cards of your library. You may reveal a Human or artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Budoka Pupil.

At the beginning of the end step, if there are two or more ki counters on Budoka Pupil, you may flip it.

Flying

Whenever you cast a creature spell with mana value 3 or less, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever Cacophony Scamp deals combat damage to a player, you may sacrifice it. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Cacophony Scamp dies, it deals damage equal to its power to any target.

Haste

Whenever Calamity, Galloping Inferno attacks while saddled, choose a nonlegendary creature that saddled it this turn and create a tapped and attacking token that's a copy of it. Sacrifice that token at the beginning of the next end step. Repeat this process once.

Saddle 1

You may choose not to untap Callous Oppressor during your untap step.

As Callous Oppressor enters, an opponent chooses a creature type.

: Gain control of target creature that isn't of the chosen type for as long as Callous Oppressor remains tapped.

Whenever a creature attacks, Caltrops deals 1 damage to it.

Flying

Fabricator Claw Array — Whenever another nontoken artifact creature or Vehicle you control enters, draw a card.

Wraith Form — Canoptek Wraith can't be blocked.

Transdimensional Scout — When Canoptek Wraith deals combat damage to a player, you may pay and sacrifice it. If you do, choose a land you control. Then search your library for up to two basic land cards which have the same name as the chosen land, put them onto the battlefield tapped, then shuffle.

Target creature loses flying until end of turn.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Amplify 1 <I>(As this creature enters, put a +1/+1 counter on it for each Beast card you reveal in your hand.)</I>

: Target creature gets +1/+1 until end of turn for each +1/+1 counter on Canopy Crawler.

Canopy Stalker must be blocked if able.

When Canopy Stalker dies, you gain 1 life for each creature that died this turn.

Other Elves you control get +1/+1.

: Add .

Target player mills four cards. (Then exile this card. You may cast the creature later from exile.)

Destroy target artifact, enchantment, or creature with flying. If that permanent's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated.

Flying

Cephalopod Sentry's power is equal to the number of artifacts you control.

: Target creature can't block this turn.

Flying

When Chipper Chopper enters, you may sacrifice another artifact. If you do, put two +1/+1 counters on Chipper Chopper and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Destroy target creature with power 4 or greater. (Then exile this card. You may cast the creature later from exile.)

Enchant creature

When Claustrophobia enters, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

Reach

When Clifftop Lookout enters, reveal cards from the top of your library until you reveal a land card. Put that card onto the battlefield tapped and the rest on the bottom of your library in a random order.

Conductor of Cacophony enters with two +1/+1 counters on it.

, Remove a +1/+1 counter from Conductor of Cacophony: It deals 1 damage to each other creature and each player.