msem-instigator

Choose a permanent type. Permanents you control of that type gain hexproof until end of turn.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, permanents you control gain hexproof until end of turn instead.

Trample, haste
Whenever Sugon, Destruction's Fist deals combat damage to a player, return it to its owner's hand unless you have Sugon deal 5 damage to you.

Flying
Whenever you honor a creature, create two 1/1 white Soldier creature tokens.
Whenever you condemn a creature, each opponent loses life equal to its power and you gain life equal to its toughness.

Flying
Suisei the Southern Star gets +1/+1 for each comet counter you have.
Whenever you cast an instant or sorcery spell with mana value greater than the number of comet counters you have, you may pay {R}. If you do, return Suisei from your graveyard to the battlefield, then you get a comet counter.

At the beginning of your upkeep, Suitor of the Sea deals 1 damage to each player.

Menace
At the beginning of your end step, if you lost 4 or more life this turn, you may create Irgh'vall, a legendary 4/4 black Demon creature token with flying.

Menace
At the beginning of your upkeep, you may pay 3 life. If you do, draw a card.

Vigilance, reach
Noncreature spells cost {2} more to cast.
Cycling {2} ({2}, Discard this card: Draw a card.)

Scry X, where X is the highest toughness among creatures you control, then reveal the top card of your library. If it's a creature with mana value X or less, you may put it onto the battlefield.

Reveal the top four cards of your library. Put up to two creature cards with mana value 3 or less from among them onto the battlefield and the rest into your graveyard.
Prophecy {2}{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.)

Whenever a land enters the battlefield under your control, if you haven't had a land become a copy this way this turn, you may have that land enter the battlefield as a copy of any nonland permanent on the battlefield.

You may have Sun Yun enter the battlefield as a copy of any creature on the battlefield, except her name is Sun Yun, Master of Man, she's legendary in addition to her other types, and she has “{2}{U}: Exile Sun Yun, then return her to the battlefield under her owner's control.”

If a creature entering the battlefield under your control causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
{1}{U}, {T}: Exile another target creature. Return it to the battlefield under its owner's control at the beginning of the next end step.

{2}: Other creatures you control get +1/+0 until end of turn.
Whenever Sun-Crowned Flagship attacks, each attacking creature you control gains trample until end of turn.
Crew 7 (Tap any number of creatures you control with total power 7 or greater: This Vehicle becomes an artifact creature until end of turn.)

Whenever you gain life for the first time each turn, draw a card.
{3}{G}{W}: You gain life equal to the greatest toughness among creatures you control.

When Sundering Arcanist enters the battlefield, you may destroy target artifact or enchantment.
If you would draw a card, you may sacrifice a land and mill four cards instead. If you do, return Sundering Arcanist from your graveyard to your hand.

As Sunflower Fields enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.
{T}: Add {R}, {G}, or {W}.

Return target creature to its owner's hand. Its controller loses 1 life.

Sunken Homestead enters the battlefield tapped.
{T}: Add {B}.
{2}{B}: Until end of turn, Sunken Homestead becomes a 2/2 Zombie creature with “When this creature dies, return it to the battlefield.” Activate only if you're horrific.

Primal {1}{W}{W} (During your turn, you may cast this spell for {1}{W}{W} instead of playing a land.)
Double strike
When Sunken Slasher enters the battlefield, if you didn't play a land this turn, put a +1/+1 counter on it.

As Sunless Ridge enters the battlefield, you may tap an untapped creature you control. If you don't, Sunless Ridge enters the battlefield tapped.
{T}: Add {B} or {R}.

You gain life equal to the number of creatures you control.
Each opponent loses life equal to the number of creatures they control.
Destroy all creatures, then exile all graveyards.

Sunlit Fissure enters the battlefield tapped.
{T}: Add {G} or {W}.
{2}{G}{W}: Until end of turn, Sunlit Fissure becomes a 3/5 green and white Elemental creature with with vigilance and “Whenever this creature attacks or blocks, torment yourself.” It's still a land. (To torment yourself, lose 3 life unless you discard a card or sacrifice a nonland permanent.)

As Sunlit Highland enters the battlefield, you may pay 2 life. If you don't, Sunlit Highland enters the battlefield tapped.
{T}, Sacrifice Sunlit Highland: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Sunlit Ruins enters the battlefield tapped unless you control a Swamp.
{T}: Add {G} or {W}.