msem-instigator

Dismal Backwater enters tapped.
When Dismal Backwater enters, you gain 1 life.
{T}: Add {U} or {B}.

Other enchantments have “At the beginning of your upkeep, pay {1} or sacrifice this enchantment.”

{R}, {T}, Discard a card: Draw a card.
{2}{R}, {T}, Sacrifice Dismissive Pyromancer: It deals 4 damage to target creature.

Flying
Disgraced 1 (This enters with a -1/-1 counter. Whenever it deals combat damage to a player, remove all -1/-1 counters from it.)

Counter target instant spell.

Counter target spell unless its controller has you get three glory counters. (You lose glory counters before life. A player with ten or more glory counters wins the game.)

Return target nonland permanent to its owner's hand.

Choose one —
• Dispersive Volley deals 1 damage to each of up to three target attacking or blocking creatures.
• Target player sacrifices an enchantment.

Defender
When Dispossessed Noble enters, draw a card.

Target creature you control deals damage equal to its power to target creature you don't control. Create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Disrupting Storms deals 3 damage to target player. That player sacrifices a land.

Whenever Dissenting Vikings attacks, if you control another Warrior, it gets +1/+0 until end of turn and deals 1 damage to defending player.

Return up to one target creature to its owner's hand. Draw a card.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Counter target spell. Scry 1.

Choose one —
• Target player sacrifices an artifact.
• Target player sacrifices an enchantment.

When Distant Lover enters, create a 1/1 colorless Citizen creature token.

Trample

Create a tapped Plains token, Island token, Swamp token, Mountain token, or Forest token.

As an additional cost to cast this spell, discard a card or pay {2}.
Distant Thunder deals 3 damage to any target.

Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.
You may put up to two land cards from your hand onto the battlefield tapped.

When Distilled Inspiration enters, draw a card, then choose a card name.
{1}, {T}: Add one mana of any color.
{T}: Add one mana of any color. Spend this mana only to cast a spell with the chosen name or activate an ability of a card with the chosen name.

Counter target spell. If that spell is countered this way, draw a card, then discard a card.

Draw three cards, then exile three cards from your hand. Until end of turn, you may cast nonland cards exiled this way.

Choose one —
• Counter target creature or planeswalker spell.
• Return target creature or planeswalker to its owner's hand.