mtg.wtf

When Dockside Extortionist enters, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control.

When Dogmeat enters, mill five cards, then return an Aura or Equipment card from your graveyard to your hand.
Whenever a creature you control that's enchanted or equipped attacks, create a Junk token.

When Dominating Vampire enters, gain control of target creature with mana value less than or equal to the number of Vampires you control until end of turn. Untap that creature. It gains haste until end of turn.

Soulbond
Whenever Donna or a creature it's paired with is dealt damage, Donna deals that much damage to target opponent.
Doctor's companion

When Doomed Traveler dies, create a 1/1 white Spirit creature token with flying.

Flying
When Doomsday Excruciator enters, if it was cast, each player exiles all but the bottom six cards of their library face down.
At the beginning of your upkeep, draw a card.

Flash
Flying
Artifacts and creatures entering don't cause abilities to trigger.

Dr. Julius Jumblemorph is every creature type (even if this card isn't on the battlefield).
Whenever a host you control enters, you may search your library and/or graveyard for a card with augment and combine it with that host. If you search your library this way, shuffle.

Whenever you cast an artifact spell, you get {E}.
{T}, Pay {E}: Target creature gets +1/+0 and gains trample and haste until end of turn.
{T}, Pay {E}{E}{E}: Draw a card.
{T}, Pay {E}{E}{E}{E}{E}: Return target artifact card from your graveyard to the battlefield tapped.

{2}: Dragon Engine gets +1/+0 until end of turn.

Protection from Dragons
Dragon Hunter can block Dragons as though it had reach.

{R}: Dragon Whisperer gains flying until end of turn.
{1}{R}: Dragon Whisperer gets +1/+0 until end of turn.
Formidable — {4}{R}{R}: Create a 4/4 red Dragon creature token with flying. Activate only if creatures you control have total power 8 or greater.

{2}{R}, {T}, Sacrifice a black creature, a red creature, and a green creature: Search your library for a card named Hellkite Overlord, put it onto the battlefield, then shuffle.

Whenever you cast a noncreature spell, surveil 1.
Delirium — As long as there are four or more card types among cards in your graveyard, Dragon's Rage Channeler gets +2/+2, has flying, and attacks each combat if able.

Whenever you cast a noncreature spell, surveil 1.
Delirium — As long as there are four or more card types among cards in your graveyard, Dragon's Rage Channeler gets +2/+0, has flying, and attacks each combat if able.

{2}{R}: Dragonborn Immolator gets +1/+0 until end of turn.
Gift of Tiamat — When Dragonborn Immolator dies, if its power is greater than 0, note its power. You get a one-time boon with "When you cast a creature spell, it perpetually gets +X/+0, where X is the noted number."

{1}, {T}: Draw a card, then discard a card.

When Dragonfly Pilot enters, conjure a card named Dragonfly Suit into your hand.
Dragonfly Pilot crews Vehicles as though its power were 2 greater.

Flying
Whenever Dragonhawk enters or attacks, exile the top X cards of your library, where X is the number of creatures you control with power 4 or greater. You may play those cards until your next end step. At the beginning of your next end step, Dragonhawk deals 2 damage to each opponent for each of those cards that are still exiled.

First strike
Boast abilities you activate cost {1} less to activate for each Dragon you control.
Boast — {4}{R}: Create a 5/5 red Dragon creature token with flying.

Reach
Whenever an opponent casts a spell, create a 1/1 green Insect creature token.

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

Magecraft — Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on Dragonsguard Elite.
{4}{G}{G}: Double the number of +1/+1 counters on Dragonsguard Elite.

When Drainpipe Vermin dies, you may pay {B}. If you do, target player discards a card.