msem-instigator

Whenever another creature you control enters, Sunblessed Orator deals 1 damage to each opponent and you gain 1 life.

Vigilance, reach
{T}: Splitshaft Deadeye deals damage equal to its power to target creature with flying.

{1}{B}, Sacrifice a creature or enchantment: Draw a card.
{4}{B}{B}, {T}: Return target creature or enchantment card from your graveyard to the battlefield with a veil counter on it. That permanent gains “If this permanent would leave the battlefield, exile it instead.”

{T}: Add {C}.
{T}, Pay 1 life: Add {U}.
{U}, {T}: Add one mana of any color.

Until end of turn, target creature you control gains “{T}: Destroy target creature.”

Akroan Truespear has first strike as long as it's attacking.
Heroic — Whenever you cast a spell that targets Akroan Truespear, put a +1/+1 counter on Akroan Truespear.

Trample, haste

Flying

Drakon Nightshade can't block.
When Drakon Nightshade dies, scry 1.

Advance {1}{R}{R} (Cast this for {1}{R}{R} to advance it as it enters. {1}{R}{R}: Advance this as a sorcery.)
Whenever Impulse Module enters or advances, put a charge counter on it, then exile a card from the top of your library for each charge counter on it. Until your next turn, you may play one of those cards.

Whenever a player casts a spell from their hand, that player exiles it. Then they cast a copy of a card exiled with Embrace the Unpredictable chosen at random without paying its mana cost.

Prevent all damage that would be dealt to and dealt by target creature this turn. You gain 3 life.

If one or more counters would be put on a permanent you control, you may have that many counters plus one or that many counters minus one put on that permanent instead.

{1}, {T}: Exile target creature you control until Elsewhere Mirror leaves the battlefield. (It returns to the battlefield under its owner's control.)
{3}: Choose a permanent card exiled with Elsewhere Mirror. Target creature becomes a copy of that card until end of turn.

{T}: Until end of turn, target land is every basic land type in addition to its other types and its name becomes Morphic Sea.

Deathtouch
Whenever an Egg you control dies, you may return an exiled card on an Adventure to its owner's hand.

Enchant creature
Enchanted creature gets +1/+1.
When enchanted creature dies, return another target creature card from your graveyard to your hand.

When Nidohagane Warfans enters, if it's not a token, create a token that's a copy of it.
Equipped creature gets +1/+0.
Equip {1}

Enchant creature
Embody (Enchanted creature is a copy of this card except for its types.)
As long as Legend of the Brave is tapped, you may have creatures you control assign their combat damage as though they weren't blocked.

{1}{G}, Sacrifice Edgeland Savant: Draw a card. You may put a land card from your hand onto the battlefield tapped.

Haste
When Speaker of the Iris enters, abound. (To abound, you may cast a spell that costs less than this from your hand without paying its mana cost.)
Other creatures you control have haste.

Harmony — Pyrodancer deals 1 damage to each opponent.
When Pyrodancer enters, harmonize. (Trigger up to one harmony of one permanent you control.)

[+1]: Augur. (Look at the top card of your library. You may sacrifice a creature to put it into your hand. Otherwise, put it back or put it into your graveyard.)
[–X]: Exile target card in your graveyard with mana value X. Copy it. You may cast the copy without paying its mana cost.
[–6]: You get an emblem with “Whenever a creature you control dies, search your library for a creature card, reveal it, and put it into your hand, then shuffle.”

{T}: Add {U}, {B}, or {R}.
Cycling {2} ({2}, Discard this card: Draw a card.)