msem-instigator

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Exile the top card of your library. You may play that card until your next end step. At the beginning of the next end step, if you didn't play the exiled card, return Curious Disturbances from your graveyard to your hand.

Whenever you draw your second card each turn, put a +1/+1 counter on Current Surfer.
{R}, Discard your hand, Sacrifice Current Surfer: Draw X cards, where X is its power. At the beginning of the next end step, discard your hand.

Enchant opponent
Whenever enchanted player plays a land, you may put a land card from your hand onto the battlefield.

When Dabbling Patron enters, if you cast an instant or sorcery spell this turn, create a 1/1 colorless Elemental creature token.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Daggersworn Elite enters the battlefield tapped.
Whenever Daggersworn Elite and at least two other creatures attack, you may pay {1}{B}. If you do, destroy target tapped creature.

Other creatures you control get +1/+1 as long as you control four or more lands.
{G}, Sacrifice Daisy, the Heart of Chasmek: Creatures you control with base power 1 or less gain indestructible until end of turn.

Reach
When Danaj Decider dies, judge another target creature you control. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)
When Dancer of the Great Current enters the battlefield, tap up to one target creature. If you control two or more other creatures that are Merfolk, Wizards, or Rogues, instead return that creature to its owner's hand and put a +1/+1 counter on Dancer of the Great Current.

Dancing Flames deals 2 damage to target creature.
Kindle 2—{3}{R} ({3}{R}, Exile this card from your graveyard: Create two 1/1 colorless Elemental creature tokens. Kindle only as a sorcery.)

{T}, Discard a card, Sacrifice Danithra Oracle: Target creature gets -3/-3 until end of turn. Activate only as a sorcery.

Identity — When Danuri Warcaller enters the battlefield, if you control at least two other creatures that share a creature type with it, create a 1/1 white Soldier creature token.

Whenever another creature in Daoshi Spiritdancer's pack dies, you may sacrifice Daoshi Spiritdancer. If you do, return that creature card to the battlefield under your control at the beginning of the next end step. (Two or more creatures you control with equal power are in a pack.)

Trample
Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)

Exile target creature, return it to the battlefield tapped under its owner's control, then choose one —
• Put a +1/+1 counter on it.
• Put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Whenever Daring Skythief crews a Vehicle, that Vehicle gains flying until end of turn.

Target opponent loses 3 life if they own a card in exile. Purge. (Exile two cards that share a type from graveyards. If you do, draw a card.)

{B}, {T}, Pay 1 life, Discard a card, Sacrifice Dark Rite Cultist and another creature: Create a 5/5 black Demon creature token with flying.

Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)
Cycling {2} ({2}, Discard this card: Draw a card.)

Flash
Enchant permanent
Whenever enchanted permanent deals damage to an opponent, conjure a card named Data-Point into your hand. (It's a sorcery that costs {2} with “Draw a card.”)

Whenever you cast a spell, Daughter of Suisei deals 2 damage to target opponent if that spell has the same name as a card in your graveyard.

{W}, {T}: Target attacking creature gets +1/+1 until end of turn. This ability costs {W} less to activate if it targets a Soldier.

At the beginning of combat on each opponent's turn, if you control three or more enchantments, choose target creature. Prevent all combat damage that creature would deal this turn.
{2}{W}: You gain 2 life and scry 1.