msem-instigator

Prowess
Disgraced 2 (This enters with two -1/-1 counters. Whenever it deals combat damage to a player, remove all -1/-1 counters from it.)

When Suitor of the Glade enters the battlefield, put two +1/+1 counters on target creature you control. It gains vigilance until end of turn.

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

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
{5}{R}: Sullivan's Courier gets +2/+2 until end of turn.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
Whenever Sullivan's Heralds or another creature you control becomes renowned, add mana equal to the number of +1/+1 counters on it in any combination of {R} and/or {G}. Until end of turn, you don't lose this mana as steps and phases end.

Enchant creature
Enchanted creature has base power and toughness 3/3.

Scry 3, then reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, distribute X +1/+1 counters among any number of target creatures you control, where X is that card's mana value.

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.)

{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.)

{W}: Target creature gains vigilance until end of turn.

You may pay {W}{U}{B}{R}{G} rather than pay this spell's mana cost.

Sundappled Scrub enters the battlefield tapped unless you control another Desert.
{T}: Add {G} or {W}.

Equipped creature gets +1/+0 and gains “Whenever this creature deals damage to a player or planeswalker, you may draw two cards. If you do, discard a card.”
Equip {2}

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.

Whenever a land enters the battlefield under your control or a land card is put into your graveyard from anywhere, create a 0/1 green Plant creature token.
{3}{G}{G}: Put a +1/+1 counter on each other creature you control.

{1}, {T}: End the turn. Activate only during your turn.

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}.

({T}: Add {G} or {W}.)
Sungrace Meadows enters the battlefield tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Sunken Cavern enters the battlefield tapped unless another player controls a land that could produce {U} or {R}.
{T}: Add {U} or {R}.

When Sunken Grave enters the battlefield, create a tapped 2/2 black Zombie creature token.
{5}, {T}, Sacrifice Sunken Grave: Create a tapped 2/2 black Zombie creature token.

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.

Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)
{1}{W}: You gain life equal to Sunken Outcast's power.

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}.