Backup 1, backup 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 abilities until end of turn. Each backup ability triggers separately.)

Trample

Whenever this creature deals combat damage to a player, put that many +1/+1 counters on it.

First strike

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

Whenever Consul's Lieutenant attacks, if it's renowned, other attacking creatures you control get +1/+1 until end of turn.

: Target Goblin, Orc, or Pirate can't be blocked this turn.

Whenever Corsairs of Umbar deals combat damage to a player, amass Orcs 3. (Put three +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Indestructible

Whenever Creepy Doll deals combat damage to a creature, flip a coin. If you win the flip, destroy that creature.

Flying

Whenever Crosis, the Purger deals combat damage to a player, you may pay . If you do, choose a color, then that player reveals their hand and discards all cards of that color.

Devoid (This card has no color.)

Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)

Flying

You have no maximum hand size.

Whenever a creature token you control deals combat damage to a player, draw a card.

Enchant creature

Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, investigate." (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Enchant player

Creatures attacking enchanted player have trample.

Whenever a creature deals combat damage to enchanted player, that player exiles the top card of their library. Until end of turn, that creature's controller may play that card and they may spend mana as though it were mana of any color to cast that spell.

Flying

Whenever Cybership deals combat damage to a player, put the top two cards of that player's library onto the battlefield face down under your control. They're 2/2 Cyberman artifact creatures.

Crew 4

More Than Meets the Eye (You may cast this card converted for .)

Flying

Whenever Cyclonus deals combat damage to a player, it connives. Then if Cyclonus's power is 5 or greater, convert it. (To have a creature connive, draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)

: Daring Saboteur can't be blocked this turn.

Whenever Daring Saboteur deals combat damage to a player, you may draw a card. If you do, discard a card.

Whenever Dawning Purist deals combat damage to a player, you may destroy target enchantment that player controls.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Flying

Whenever Dazzling Sphinx deals combat damage to a player, that player exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then that player puts the exiled cards that weren't cast this way on the bottom of their library in a random order.

Whenever you crank Deadly Poison Sampler, until end of turn, target creature gains "Whenever this creature deals combat damage to a player, destroy target creature that player controls."

Devoid (This card has no color.)

Whenever a creature you control deals combat damage to a player, you may draw a card.

: Target creature can't be blocked this turn. ( represents colorless mana.)

Deluxe Dragster can't be blocked except by Vehicles.

Whenever Deluxe Dragster deals combat damage to a player, you may cast target instant or sorcery card from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead.

Crew 2

Flying

Lieutenant — As long as you control your commander, Demon of Wailing Agonies gets +2/+2 and has "Whenever Demon of Wailing Agonies deals combat damage to a player, that player sacrifices a creature."

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Until end of turn, creatures you control gain menace and "Whenever this creature deals combat damage to a player, that player discards a card."

Whenever you crank Dictation Quillograph, until end of turn, target creature gains "Whenever this creature deals combat damage to a player, you may draw a card. If you do, discard a card."

Whenever Diseased Vermin deals combat damage to a player, put an infection counter on it.

At the beginning of your upkeep, Diseased Vermin deals X damage to target opponent previously dealt damage by it, where X is the number of infection counters on it.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Dokuchi Silencer deals combat damage to a player, you may discard a creature card. When you do, destroy target creature or planeswalker that player controls.

Devoid (This card has no color.)

Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)

When Dominator Drone enters the battlefield, if you control another colorless creature, each opponent loses 2 life.

Backup 1

Trample

Whenever this creature deals combat damage to a player or battle, look at that many cards from the top of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

When Dowsing Dagger enters the battlefield, target opponent creates two 0/2 green Plant creature tokens with defender.

Equipped creature gets +2/+1.

Whenever equipped creature deals combat damage to a player, you may transform Dowsing Dagger.

Equip

Flying

Dragonlord Ojutai has hexproof as long as it's untapped.

Whenever Dragonlord Ojutai deals combat damage to a player, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Haste

Whenever Dreadhorde Butcher deals combat damage to a player or planeswalker, put a +1/+1 counter on Dreadhorde Butcher.

When Dreadhorde Butcher dies, it deals damage equal to its power to any target.

Flying

Whenever Dream Pillager deals combat damage to a player, exile that many cards from the top of your library. Until end of turn, you may cast spells from among those exiled cards.

Whenever equipped creature deals combat damage to a player, look at the top card of their library, then exile it face down. For as long as it remains exiled, you may play it, and mana of any type can be spent to cast that spell.

Equip

Dripping Dead can't block.

Whenever Dripping Dead deals combat damage to a creature, destroy that creature. It can't be regenerated.

Flying

Whenever Dromar, the Banisher deals combat damage to a player, you may pay . If you do, choose a color, then return all creatures of that color to their owners' hands.

Whenever Dune-Brood Nephilim deals combat damage to a player, create a 1/1 colorless Sand creature token for each land you control.

Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.

Equipped creature gets +1/+0.

When equipped creature deals combat damage to a player, unattach Elbrus, the Binding Blade, then transform it.

Equip

Whenever Ellivere of the Wild Court enters the battlefield or attacks, create a Virtuous Role token attached to another target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 for each enchantment you control.)

Whenever an enchanted creature you control deals combat damage to a player, draw a card.

Flying

Whenever Emissary of Hope deals combat damage to a player, you gain 1 life for each artifact that player controls.

Flying, trample

Whenever Empyreal Voyager deals combat damage to a player, you get that many (energy counters).

Trample, indestructible

Whenever Etali, Primal Sickness deals combat damage to a player, they get that many poison counters. (A player with ten or more poison counters loses the game.)

Deathtouch

Face-down creatures you control have ": Turn this creature face up. If you can't, exile it, then you may cast the exiled card without paying its mana cost."

Whenever an Assassin you control deals combat damage to an opponent, cloak the top card of that player's library.

Menace, lifelink

Whenever a Knight you control deals combat damage to a player, put a +1/+1 counter on that creature and create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Whenever you crank Faerie Aerie, create two 1/1 blue Faerie Spy creature tokens with flying, haste, and "Whenever this creature deals combat damage to a player, draw a card." Exile them at the beginning of the next end step.

Flying

Falkenrath Forebear can't block.

Whenever Falkenrath Forebear deals combat damage to a player, create a Blood token.

, Sacrifice two Blood tokens: Return Falkenrath Forebear from your graveyard to the battlefield.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Fallen Shinobi deals combat damage to a player, that player exiles the top two cards of their library. Until end of turn, you may play those cards without paying their mana costs.

Devoid (This card has no color.)

Deathtouch

Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)

: Draw a card. Each opponent exiles the top card of their library.

Whenever Fell Shepherd deals combat damage to a player, you may return to your hand all creature cards that were put into your graveyard from the battlefield this turn.

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

Whenever Festerleech deals combat damage to a player, you mill two cards.

: Festerleech gets +2/+2 until end of turn. Activate only once each turn.

Target Giant you control gets +2/+2 and gains trample until end of turn. Whenever it deals combat damage to a player this turn, exile that many cards from the top of your library. Until the end of your next turn, you may play those cards.

Flying, haste

Whenever one or more Dragons you control attack an opponent, goad target creature that player controls.

Whenever a creature deals combat damage to one of your opponents, if that creature had to attack this combat, you put a +1/+1 counter on Firkraag, Cunning Instigator and you draw a card.

Living metal (As long as it's your turn, this Vehicle is also a creature.)

Menace, deathtouch

Whenever Flamewar deals combat damage to a player, exile that many cards from the top of your library face down. Put an intel counter on each of them. Convert Flamewar.

Whenever Flayed Nim deals combat damage to a creature, that creature's controller loses that much life.

: Regenerate Flayed Nim.