msem-instigator

Flying, haste
Assault {1}{R} (Whenever this attacks, if it has no +1/+1 counters on it, you may pay its assault cost to put a +1/+1 counter on it.)
Whenever one or more +1/+1 counters are put on a creature you control, you may return Sunnula's Firebird from your graveyard to your hand.

Equipped creature has “{T}: This creature deals damage equal to its power to any target.”
Equip {4}

Sunrazed Ruins enters the battlefield tapped.
{T}: Add {W}.
{2/W}{2/W}: Sunrazed Ruins becomes a 2/3 white Elemental creature with lifelink until end of turn. It's still a land.

Sunrise Bluffs enters the battlefield tapped.
{T}: Add {R}.
You may untap Sunrise Bluffs during each other player's untap step. Whenever you do, you lose 1 life.

Sunrise Orchard enters the battlefield tapped.
{T}: Untap another target land you control.

Sunrise Prairie enters the battlefield tapped.
{T}: Add {W}.
You may untap Sunrise Prairie during each other player's untap step. Whenever you do, you lose 1 life.

Sunrise River enters the battlefield tapped.
{T}: Add {U}.
You may untap Sunrise River during each other player's untap step. Whenever you do, you lose 1 life.

Sunrise Ruins enters the battlefield tapped.
{T}: Add {B}.
You may untap Sunrise Ruins during each other player's untap step. Whenever you do, you lose 1 life.

Sunrise Woods enters the battlefield tapped.
{T}: Add {G}.
You may untap Sunrise Woods during each other player's untap step. Whenever you do, you lose 1 life.

Flash
Flying
When Sunset Herald enters the battlefield, if it was cast, return to the battlefield all creature cards from your graveyard that were put there from the battlefield this turn.

When Sunset Monastery enters the battlefield, draw a card, then put a card from your hand on the bottom of your library.
{T}: Add {C}.

{T}, Pay 1 life: Add {R}.
{T}, Pay 1 life, Sacrifice Sunwashed Spires: Search your library for a Mountain card, put it onto the battlefield tapped, then shuffle.

Haste
At the beginning of your end step, return Sunwatcher Aspirant to its owner's hand.

As Superset enters the battlefield, choose two abilities from among flying, first strike, lifelink, prowess, and vigilance.
Each creature you control with one of the chosen abilities has both the chosen abilities.

Whenever Supplanter of Realities attacks, proliferate. (You choose any number of permanents and/or players with counters on them, then give each another kind of a counter already there.)
Sacrifice another permanent: Supplanter of Realities gains indestructible until end of turn. Tap it.

You may sacrifice three Treasures rather than pay this spell's mana cost.
Flying, trample, haste

Whenever Supreme Mechanothurge or another artifact enters the battlefield under your control, up to one target artifact you control becomes a copy of another target artifact or creature you control, except it's an artifact in addition to its other types.

Creatures you control get +2/+2 and gain trample until end of turn. If you cast this spell from exile, creatures you control get an additional +2/+2 until end of turn.
Prophecy {2}{G}{G} (Once each turn, you may exile a card with prophecy as you reveal it. When you do, you may cast it for its prophecy cost as long as it's exiled.)

Haste
Ward—Pay 3 life.
Whenever Surface Expeditioneer attacks, if it's embattled, it deals 2 damage to target player or planeswalker. (A creature is embattled if it has a counter on it or a permanent you control attached to it.)

As an additional cost to cast this spell, torment yourself. (You lose 3 life unless you discard a card or sacrifice a nonland permanent.)
Destroy target creature.

As Surge of the Fellors enters the battlefield, choose Fellor or Lafterii.
• Fellor — Warriors you control have haste.
• Lafterii — Wizard creatures you control have “{2}{R}, {T}: This creature deals 1 damage to target player or planeswalker.”

Search your library for a basic land card and put it onto the battlefield, then shuffle.
Orchestrate {1}{G} (You may exile this card from your hand anytime you could cast a sorcery for its orchestrate cost. When you next resolve a spell, you may cast this from exile without paying its mana cost.)

Whenever a creature you control becomes the target of a spell, that creature gets +3/+3 until end of turn.

Target player draws X cards.

Spells you cast have trial 2. (As you cast them, an opponent of your choice may pay 2 life. If they don't, they fail the trial.)
Whenever an opponent fails a trial of a creature spell, that creature enters the battlefield with an additional +1/+1 counter on it.
Whenever an opponent fails a trial of a noncreature spell, create a tapped Treasure token.