Azorius Herald can't be blocked.

When Azorius Herald enters the battlefield, you gain 4 life.

When Azorius Herald enters the battlefield, sacrifice it unless was spent to cast it.

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

Up to two target creatures you control each deal damage equal to their power to another target creature.

Affinity for historic permanents (This spell costs less to cast for each artifact, legendary, and/or Saga permanent you control.)

When Banish to Another Universe enters the battlefield, exile target nonland permanent an opponent controls until Banish to Another Universe leaves the battlefield.

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

Flying

When Basilica Shepherd enters the battlefield, create two 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This creature can't block." (Players dealt combat damage by them also get a poison counter.)

, : Each opponent loses 2 life. This ability costs less to activate for each creature card in your graveyard.

, , Sacrifice a red creature, a green creature, and a white creature: Search your library for a card named Godsire, put it onto the battlefield, then shuffle.

Flying

At the beginning of each upkeep, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

Pay 10 life: Untap all lands you control. Activate only once each turn.

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Whenever one or more other creatures with base power and toughness 1/1 enter the battlefield under your control, put a +1/+1 counter on Bess, Soul Nourisher.

Whenever Bess attacks, each other creature you control with base power and toughness 1/1 gets +X/+X until end of turn, where X is the number of +1/+1 counters on Bess.

Enchant creature

You control enchanted creature.

At the beginning of your upkeep, put a -1/-1 counter on enchanted creature.

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

Whenever you gain life, put a +1/+1 counter on Blood Researcher.

Flying

Bloodfeather Phoenix can't block.

Whenever an instant or sorcery spell you control deals damage to an opponent or battle, you may pay . If you do, return Bloodfeather Phoenix from your graveyard to the battlefield. It gains haste until end of turn.

When Body Snatcher enters the battlefield, exile it unless you discard a creature card.

When Body Snatcher dies, exile it and return target creature card from your graveyard to the battlefield.

, Remove a +1/+1 counter from a creature you control: Bolrac-Clan Crusher deals 2 damage to any target.

Whenever Bonecrusher Giant becomes the target of a spell, Bonecrusher Giant deals 2 damage to that spell's controller.

Create three 1/1 colorless Thopter artifact creature tokens with flying. Surveil 2.

As Brass Herald enters the battlefield, choose a creature type.

When Brass Herald enters the battlefield, reveal the top four cards of your library. Put all creature cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Creatures of the chosen type get +1/+1.

First strike

: Brigid, Hero of Kinsbaile deals 2 damage to each attacking or blocking creature target player controls.

Devoid (This card has no color.)

When Brood Butcher enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

Metalcraft — : You get (an energy counter). Activate only if you control three or more artifacts.

Whenever you get one or more during your turn, creatures you control get +1/+1 until end of turn.

Choose one —

• Brotherhood's End deals 3 damage to each creature and each planeswalker.

• Destroy all artifacts with mana value 3 or less.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

If there are exactly two permanents named Brothers Yamazaki on the battlefield, the "legend rule" doesn't apply to them.

Each other creature named Brothers Yamazaki gets +2/+2 and has haste.

Oxen you control have double strike.

Whenever Bruse Tarl, Roving Rancher enters the battlefield or attacks, exile the top card of your library. If it's a land card, create a 2/2 white Ox creature token. Otherwise, you may cast it until the end of your next turn.

, , Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

Flying

Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

You may assign Butcher Orgg's combat damage divided as you choose among defending player and/or any number of creatures they control.

Target creature gets +3/+0 and gains lifelink until end of turn. Regenerate it. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Choose a nonland card name. Target player reveals their hand and discards all cards with that name.

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

Return target black creature card from your graveyard to your hand.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

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

Enchant creature

When Capture Sphere enters the battlefield, tap enchanted creature.

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

Flying

When Cartographer's Companion enters the battlefield, create a Map token. (It's an artifact with ", , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

Look at the top seven cards of your library. Put up to two land cards from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order.

Trample

Centaur Vinecrasher enters the battlefield with a number of +1/+1 counters on it equal to the number of land cards in all graveyards.

Whenever a land card is put into a graveyard from anywhere, you may pay . If you do, return Centaur Vinecrasher from your graveyard to your hand.

Changeling (This card is every creature type.)

Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When Cherished Hatchling dies, you may cast Dinosaur spells this turn as though they had flash, and whenever you cast a Dinosaur spell this turn, it gains "When this creature enters the battlefield, you may have it fight another target creature."

Tap up to four target creatures.

Cycling (, Discard this card: Draw a card.)

When you cycle Choking Tethers, you may tap target creature.

When Chronicler of Heroes enters the battlefield, draw a card if you control a creature with a +1/+1 counter on it.

Creatures your opponents control get -1/-1 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Target creature gains flying until end of turn.

Draw a card.

Flash

Reach

When Cloudthresher enters the battlefield, it deals 2 damage to each creature with flying and each player.

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

Strive — This spell costs more to cast for each target beyond the first.

Any number of target creatures each get +2/+2 until end of turn. Untap those creatures.

Double strike

When Combat Thresher enters the battlefield, draw a card.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

1/1

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Lifelink

Roll a d20.

1–9 | Draw two cards.

10–19 | Scry 2, then draw two cards.

20 | Scry 3, then draw three cards.

Flying

Whenever you surveil, you may pay . If you do, create a token that's a copy of Copy Catchers.

Reach (This creature can block creatures with flying.)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

, , Sacrifice Credit Voucher: Shuffle any number of cards from your hand into your library, then draw that many cards.